Finding the Fourth Proportional to 418,147.44, 577,044.15 and 227,160.99
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Solution
The fourth proportional to 418,147.44, 577,044.15 and 227,160.99 is: 313,482.54
Step by Step Solution
- Step 1: Write the proportion equation
418,147.44 : 577,044.15 = 227,160.99 : x - Step 2: Convert to fraction form
418,147.44/577,044.15 = 227,160.99/x - Step 3: Cross multiply
418,147.44x = 577,044.15 × 227,160.99 - Step 4: Simplify right side
418,147.44x = 131,081,920,387.71 - Step 5: Solve for x
x = 131,081,920,387.71/418,147.44 - Step 6: Final answer
x = 313,482.54
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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.