Finding the Fourth Proportional to 117,557.68, 176,348.68 and 38,671.80
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Solution
The fourth proportional to 117,557.68, 176,348.68 and 38,671.80 is: 58,011.70
Step by Step Solution
- Step 1: Write the proportion equation
117,557.68 : 176,348.68 = 38,671.80 : x - Step 2: Convert to fraction form
117,557.68/176,348.68 = 38,671.80/x - Step 3: Cross multiply
117,557.68x = 176,348.68 × 38,671.80 - Step 4: Simplify right side
117,557.68x = 6,819,720,883.22 - Step 5: Solve for x
x = 6,819,720,883.22/117,557.68 - Step 6: Final answer
x = 58,011.70
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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.