Finding the Fourth Proportional to 417,697.79, 576,421.49 and 226,711.18
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Solution
The fourth proportional to 417,697.79, 576,421.49 and 226,711.18 is: 312,860.64
Step by Step Solution
- Step 1: Write the proportion equation
417,697.79 : 576,421.49 = 226,711.18 : x - Step 2: Convert to fraction form
417,697.79/576,421.49 = 226,711.18/x - Step 3: Cross multiply
417,697.79x = 576,421.49 × 226,711.18 - Step 4: Simplify right side
417,697.79x = 130,681,196,175.26 - Step 5: Solve for x
x = 130,681,196,175.26/417,697.79 - Step 6: Final answer
x = 312,860.64
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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.