Finding the Fourth Proportional to 117,484.80, 176,245.62 and 38,581.08
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Solution
The fourth proportional to 117,484.80, 176,245.62 and 38,581.08 is: 57,877.67
Step by Step Solution
- Step 1: Write the proportion equation
117,484.80 : 176,245.62 = 38,581.08 : x - Step 2: Convert to fraction form
117,484.80/176,245.62 = 38,581.08/x - Step 3: Cross multiply
117,484.80x = 176,245.62 × 38,581.08 - Step 4: Simplify right side
117,484.80x = 6,799,746,364.87 - Step 5: Solve for x
x = 6,799,746,364.87/117,484.80 - Step 6: Final answer
x = 57,877.67
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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.