Finding the Fourth Proportional to 418,276.71, 577,225.04 and 227,291.13
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Solution
The fourth proportional to 418,276.71, 577,225.04 and 227,291.13 is: 313,663.48
Step by Step Solution
- Step 1: Write the proportion equation
418,276.71 : 577,225.04 = 227,291.13 : x - Step 2: Convert to fraction form
418,276.71/577,225.04 = 227,291.13/x - Step 3: Cross multiply
418,276.71x = 577,225.04 × 227,291.13 - Step 4: Simplify right side
418,276.71x = 131,198,130,469.44 - Step 5: Solve for x
x = 131,198,130,469.44/418,276.71 - Step 6: Final answer
x = 313,663.48
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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.