Finding the Fourth Proportional to 417,711.15, 576,425.93 and 226,720.44
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Solution
The fourth proportional to 417,711.15, 576,425.93 and 226,720.44 is: 312,865.81
Step by Step Solution
- Step 1: Write the proportion equation
417,711.15 : 576,425.93 = 226,720.44 : x - Step 2: Convert to fraction form
417,711.15/576,425.93 = 226,720.44/x - Step 3: Cross multiply
417,711.15x = 576,425.93 × 226,720.44 - Step 4: Simplify right side
417,711.15x = 130,687,539,343.41 - Step 5: Solve for x
x = 130,687,539,343.41/417,711.15 - Step 6: Final answer
x = 312,865.81
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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.