Finding the Fourth Proportional to 418,792.26, 577,937.82 and 227,806.14
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Solution
The fourth proportional to 418,792.26, 577,937.82 and 227,806.14 is: 314,374.92
Step by Step Solution
- Step 1: Write the proportion equation
418,792.26 : 577,937.82 = 227,806.14 : x - Step 2: Convert to fraction form
418,792.26/577,937.82 = 227,806.14/x - Step 3: Cross multiply
418,792.26x = 577,937.82 × 227,806.14 - Step 4: Simplify right side
418,792.26x = 131,657,783,934.22 - Step 5: Solve for x
x = 131,657,783,934.22/418,792.26 - Step 6: Final answer
x = 314,374.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.