Finding the Fourth Proportional to 117,558.68, 176,350.18 and 38,672.80
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Solution
The fourth proportional to 117,558.68, 176,350.18 and 38,672.80 is: 58,013.20
Step by Step Solution
- Step 1: Write the proportion equation
117,558.68 : 176,350.18 = 38,672.80 : x - Step 2: Convert to fraction form
117,558.68/176,350.18 = 38,672.80/x - Step 3: Cross multiply
117,558.68x = 176,350.18 × 38,672.80 - Step 4: Simplify right side
117,558.68x = 6,819,955,241.10 - Step 5: Solve for x
x = 6,819,955,241.10/117,558.68 - Step 6: Final answer
x = 58,013.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.