Finding the Fourth Proportional to 418,623.24, 577,711.02 and 227,647.80
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Solution
The fourth proportional to 418,623.24, 577,711.02 and 227,647.80 is: 314,159.92
Step by Step Solution
- Step 1: Write the proportion equation
418,623.24 : 577,711.02 = 227,647.80 : x - Step 2: Convert to fraction form
418,623.24/577,711.02 = 227,647.80/x - Step 3: Cross multiply
418,623.24x = 577,711.02 × 227,647.80 - Step 4: Simplify right side
418,623.24x = 131,514,642,738.76 - Step 5: Solve for x
x = 131,514,642,738.76/418,623.24 - Step 6: Final answer
x = 314,159.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.