Finding the Fourth Proportional to 392,552.18, 588,831.88 and 108,247.65
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Solution
The fourth proportional to 392,552.18, 588,831.88 and 108,247.65 is: 162,372.47
Step by Step Solution
- Step 1: Write the proportion equation
392,552.18 : 588,831.88 = 108,247.65 : x - Step 2: Convert to fraction form
392,552.18/588,831.88 = 108,247.65/x - Step 3: Cross multiply
392,552.18x = 588,831.88 × 108,247.65 - Step 4: Simplify right side
392,552.18x = 63,739,667,255.08 - Step 5: Solve for x
x = 63,739,667,255.08/392,552.18 - Step 6: Final answer
x = 162,372.47
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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.