Finding the Fourth Proportional to 409,745.36, 614,611.92 and 249,868.28
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Solution
The fourth proportional to 409,745.36, 614,611.92 and 249,868.28 is: 374,798.69
Step by Step Solution
- Step 1: Write the proportion equation
409,745.36 : 614,611.92 = 249,868.28 : x - Step 2: Convert to fraction form
409,745.36/614,611.92 = 249,868.28/x - Step 3: Cross multiply
409,745.36x = 614,611.92 × 249,868.28 - Step 4: Simplify right side
409,745.36x = 153,572,023,317.90 - Step 5: Solve for x
x = 153,572,023,317.90/409,745.36 - Step 6: Final answer
x = 374,798.69
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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.