Finding the Fourth Proportional to 482,718.80, 724,164.60 and 202,264.40
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Solution
The fourth proportional to 482,718.80, 724,164.60 and 202,264.40 is: 303,432.80
Step by Step Solution
- Step 1: Write the proportion equation
482,718.80 : 724,164.60 = 202,264.40 : x - Step 2: Convert to fraction form
482,718.80/724,164.60 = 202,264.40/x - Step 3: Cross multiply
482,718.80x = 724,164.60 × 202,264.40 - Step 4: Simplify right side
482,718.80x = 146,472,718,320.24 - Step 5: Solve for x
x = 146,472,718,320.24/482,718.80 - Step 6: Final answer
x = 303,432.80
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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.