Finding the Fourth Proportional to 482,442.40, 724,009.20 and 202,160.80
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Solution
The fourth proportional to 482,442.40, 724,009.20 and 202,160.80 is: 303,386.02
Step by Step Solution
- Step 1: Write the proportion equation
482,442.40 : 724,009.20 = 202,160.80 : x - Step 2: Convert to fraction form
482,442.40/724,009.20 = 202,160.80/x - Step 3: Cross multiply
482,442.40x = 724,009.20 × 202,160.80 - Step 4: Simplify right side
482,442.40x = 146,366,279,079.36 - Step 5: Solve for x
x = 146,366,279,079.36/482,442.40 - Step 6: Final answer
x = 303,386.02
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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.