Finding the Fourth Proportional to 417,287.68, 575,853.84 and 226,301.44
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Solution
The fourth proportional to 417,287.68, 575,853.84 and 226,301.44 is: 312,294.27
Step by Step Solution
- Step 1: Write the proportion equation
417,287.68 : 575,853.84 = 226,301.44 : x - Step 2: Convert to fraction form
417,287.68/575,853.84 = 226,301.44/x - Step 3: Cross multiply
417,287.68x = 575,853.84 × 226,301.44 - Step 4: Simplify right side
417,287.68x = 130,316,553,221.53 - Step 5: Solve for x
x = 130,316,553,221.53/417,287.68 - Step 6: Final answer
x = 312,294.27
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1.5x scale
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.