Finding the Fourth Proportional to 409,744.18, 614,706.54 and 125,436.88
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Solution
The fourth proportional to 409,744.18, 614,706.54 and 125,436.88 is: 188,182.95
Step by Step Solution
- Step 1: Write the proportion equation
409,744.18 : 614,706.54 = 125,436.88 : x - Step 2: Convert to fraction form
409,744.18/614,706.54 = 125,436.88/x - Step 3: Cross multiply
409,744.18x = 614,706.54 × 125,436.88 - Step 4: Simplify right side
409,744.18x = 77,106,870,493.20 - Step 5: Solve for x
x = 77,106,870,493.20/409,744.18 - Step 6: Final answer
x = 188,182.95
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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.