Finding the Fourth Proportional to 117,377.12, 176,028.84 and 38,473.76
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Solution
The fourth proportional to 117,377.12, 176,028.84 and 38,473.76 is: 57,698.56
Step by Step Solution
- Step 1: Write the proportion equation
117,377.12 : 176,028.84 = 38,473.76 : x - Step 2: Convert to fraction form
117,377.12/176,028.84 = 38,473.76/x - Step 3: Cross multiply
117,377.12x = 176,028.84 × 38,473.76 - Step 4: Simplify right side
117,377.12x = 6,772,491,343.24 - Step 5: Solve for x
x = 6,772,491,343.24/117,377.12 - Step 6: Final answer
x = 57,698.56
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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.