Finding the Fourth Proportional to 482,691.74, 724,154.67 and 145,712.26
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Solution
The fourth proportional to 482,691.74, 724,154.67 and 145,712.26 is: 218,603.72
Step by Step Solution
- Step 1: Write the proportion equation
482,691.74 : 724,154.67 = 145,712.26 : x - Step 2: Convert to fraction form
482,691.74/724,154.67 = 145,712.26/x - Step 3: Cross multiply
482,691.74x = 724,154.67 × 145,712.26 - Step 4: Simplify right side
482,691.74x = 105,518,211,744.87 - Step 5: Solve for x
x = 105,518,211,744.87/482,691.74 - Step 6: Final answer
x = 218,603.72
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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.