Finding the Fourth Proportional to 418,804.29, 577,954.35 and 227,818.17
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Solution
The fourth proportional to 418,804.29, 577,954.35 and 227,818.17 is: 314,391.48
Step by Step Solution
- Step 1: Write the proportion equation
418,804.29 : 577,954.35 = 227,818.17 : x - Step 2: Convert to fraction form
418,804.29/577,954.35 = 227,818.17/x - Step 3: Cross multiply
418,804.29x = 577,954.35 × 227,818.17 - Step 4: Simplify right side
418,804.29x = 131,668,502,360.54 - Step 5: Solve for x
x = 131,668,502,360.54/418,804.29 - Step 6: Final answer
x = 314,391.48
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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.