Finding the Fourth Proportional to 275,330.79, 412,908.68 and 187,150.95
Calculator
Solution
The fourth proportional to 275,330.79, 412,908.68 and 187,150.95 is: 280,666.94
Step by Step Solution
- Step 1: Write the proportion equation
275,330.79 : 412,908.68 = 187,150.95 : x - Step 2: Convert to fraction form
275,330.79/412,908.68 = 187,150.95/x - Step 3: Cross multiply
275,330.79x = 412,908.68 × 187,150.95 - Step 4: Simplify right side
275,330.79x = 77,276,250,789.49 - Step 5: Solve for x
x = 77,276,250,789.49/275,330.79 - Step 6: Final answer
x = 280,666.94
Related Problems
Find fourth proportional to 137,665.40, 206,454.34 and 93,575.48
Half scale
Find fourth proportional to 550,661.58, 825,817.35 and 374,301.90
Double scale
Find fourth proportional to 275,331.79, 412,910.17 and 187,151.95
Similar ratio
Find fourth proportional to 412,996.19, 619,363.01 and 280,726.43
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.