Finding the Fourth Proportional to 418,708.92, 577,801.80 and 227,722.08
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Solution
The fourth proportional to 418,708.92, 577,801.80 and 227,722.08 is: 314,247.49
Step by Step Solution
- Step 1: Write the proportion equation
418,708.92 : 577,801.80 = 227,722.08 : x - Step 2: Convert to fraction form
418,708.92/577,801.80 = 227,722.08/x - Step 3: Cross multiply
418,708.92x = 577,801.80 × 227,722.08 - Step 4: Simplify right side
418,708.92x = 131,578,227,723.74 - Step 5: Solve for x
x = 131,578,227,723.74/418,708.92 - Step 6: Final answer
x = 314,247.49
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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.