Finding the Fourth Proportional to 471,337.70, 707,117.28 and 155,794.62
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Solution
The fourth proportional to 471,337.70, 707,117.28 and 155,794.62 is: 233,728.53
Step by Step Solution
- Step 1: Write the proportion equation
471,337.70 : 707,117.28 = 155,794.62 : x - Step 2: Convert to fraction form
471,337.70/707,117.28 = 155,794.62/x - Step 3: Cross multiply
471,337.70x = 707,117.28 × 155,794.62 - Step 4: Simplify right side
471,337.70x = 110,165,067,933.03 - Step 5: Solve for x
x = 110,165,067,933.03/471,337.70 - Step 6: Final answer
x = 233,728.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.