Finding the Fourth Proportional to 391,234.68, 586,831.77 and 110,752.74
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Solution
The fourth proportional to 391,234.68, 586,831.77 and 110,752.74 is: 166,123.38
Step by Step Solution
- Step 1: Write the proportion equation
391,234.68 : 586,831.77 = 110,752.74 : x - Step 2: Convert to fraction form
391,234.68/586,831.77 = 110,752.74/x - Step 3: Cross multiply
391,234.68x = 586,831.77 × 110,752.74 - Step 4: Simplify right side
391,234.68x = 64,993,226,446.55 - Step 5: Solve for x
x = 64,993,226,446.55/391,234.68 - Step 6: Final answer
x = 166,123.38
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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.