Finding the Fourth Proportional to 173,389.75, 239,278.14 and 93,901.75
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Solution
The fourth proportional to 173,389.75, 239,278.14 and 93,901.75 is: 129,584.57
Step by Step Solution
- Step 1: Write the proportion equation
173,389.75 : 239,278.14 = 93,901.75 : x - Step 2: Convert to fraction form
173,389.75/239,278.14 = 93,901.75/x - Step 3: Cross multiply
173,389.75x = 239,278.14 × 93,901.75 - Step 4: Simplify right side
173,389.75x = 22,468,636,082.75 - Step 5: Solve for x
x = 22,468,636,082.75/173,389.75 - Step 6: Final answer
x = 129,584.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.