Finding the Fourth Proportional to 476,780.42, 715,169.94 and 121,794.56
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Solution
The fourth proportional to 476,780.42, 715,169.94 and 121,794.56 is: 182,691.66
Step by Step Solution
- Step 1: Write the proportion equation
476,780.42 : 715,169.94 = 121,794.56 : x - Step 2: Convert to fraction form
476,780.42/715,169.94 = 121,794.56/x - Step 3: Cross multiply
476,780.42x = 715,169.94 × 121,794.56 - Step 4: Simplify right side
476,780.42x = 87,103,808,167.53 - Step 5: Solve for x
x = 87,103,808,167.53/476,780.42 - Step 6: Final answer
x = 182,691.66
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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.