Finding the Fourth Proportional to 88,812.40, 133,153.80 and 36,194.80
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Solution
The fourth proportional to 88,812.40, 133,153.80 and 36,194.80 is: 54,265.79
Step by Step Solution
- Step 1: Write the proportion equation
88,812.40 : 133,153.80 = 36,194.80 : x - Step 2: Convert to fraction form
88,812.40/133,153.80 = 36,194.80/x - Step 3: Cross multiply
88,812.40x = 133,153.80 × 36,194.80 - Step 4: Simplify right side
88,812.40x = 4,819,475,160.24 - Step 5: Solve for x
x = 4,819,475,160.24/88,812.40 - Step 6: Final answer
x = 54,265.79
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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.