Finding the Fourth Proportional to 409,896.34, 614,862.95 and 125,566.13
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Solution
The fourth proportional to 409,896.34, 614,862.95 and 125,566.13 is: 188,354.85
Step by Step Solution
- Step 1: Write the proportion equation
409,896.34 : 614,862.95 = 125,566.13 : x - Step 2: Convert to fraction form
409,896.34/614,862.95 = 125,566.13/x - Step 3: Cross multiply
409,896.34x = 614,862.95 × 125,566.13 - Step 4: Simplify right side
409,896.34x = 77,205,962,021.21 - Step 5: Solve for x
x = 77,205,962,021.21/409,896.34 - Step 6: Final answer
x = 188,354.85
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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.