Finding the Fourth Proportional to 117,522.28, 176,305.29 and 38,639.62
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Solution
The fourth proportional to 117,522.28, 176,305.29 and 38,639.62 is: 57,966.62
Step by Step Solution
- Step 1: Write the proportion equation
117,522.28 : 176,305.29 = 38,639.62 : x - Step 2: Convert to fraction form
117,522.28/176,305.29 = 38,639.62/x - Step 3: Cross multiply
117,522.28x = 176,305.29 × 38,639.62 - Step 4: Simplify right side
117,522.28x = 6,812,369,409.59 - Step 5: Solve for x
x = 6,812,369,409.59/117,522.28 - Step 6: Final answer
x = 57,966.62
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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.