Finding the Fourth Proportional to 527,709.70, 791,503.80 and 153,732.70
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Solution
The fourth proportional to 527,709.70, 791,503.80 and 153,732.70 is: 230,581.35
Step by Step Solution
- Step 1: Write the proportion equation
527,709.70 : 791,503.80 = 153,732.70 : x - Step 2: Convert to fraction form
527,709.70/791,503.80 = 153,732.70/x - Step 3: Cross multiply
527,709.70x = 791,503.80 × 153,732.70 - Step 4: Simplify right side
527,709.70x = 121,680,016,234.26 - Step 5: Solve for x
x = 121,680,016,234.26/527,709.70 - Step 6: Final answer
x = 230,581.35
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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.