Finding the Fourth Proportional to 312,318.99, 468,499.01 and 125,306.19
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Solution
The fourth proportional to 312,318.99, 468,499.01 and 125,306.19 is: 187,967.52
Step by Step Solution
- Step 1: Write the proportion equation
312,318.99 : 468,499.01 = 125,306.19 : x - Step 2: Convert to fraction form
312,318.99/468,499.01 = 125,306.19/x - Step 3: Cross multiply
312,318.99x = 468,499.01 × 125,306.19 - Step 4: Simplify right side
312,318.99x = 58,705,825,335.34 - Step 5: Solve for x
x = 58,705,825,335.34/312,318.99 - Step 6: Final answer
x = 187,967.52
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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.