Finding the Fourth Proportional to 117,835.01, 176,780.18 and 38,949.23
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Solution
The fourth proportional to 117,835.01, 176,780.18 and 38,949.23 is: 58,432.99
Step by Step Solution
- Step 1: Write the proportion equation
117,835.01 : 176,780.18 = 38,949.23 : x - Step 2: Convert to fraction form
117,835.01/176,780.18 = 38,949.23/x - Step 3: Cross multiply
117,835.01x = 176,780.18 × 38,949.23 - Step 4: Simplify right side
117,835.01x = 6,885,451,103.73 - Step 5: Solve for x
x = 6,885,451,103.73/117,835.01 - Step 6: Final answer
x = 58,432.99
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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.