Finding the Fourth Proportional to 173,787.71, 239,807.21 and 97,296.17
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Solution
The fourth proportional to 173,787.71, 239,807.21 and 97,296.17 is: 134,257.61
Step by Step Solution
- Step 1: Write the proportion equation
173,787.71 : 239,807.21 = 97,296.17 : x - Step 2: Convert to fraction form
173,787.71/239,807.21 = 97,296.17/x - Step 3: Cross multiply
173,787.71x = 239,807.21 × 97,296.17 - Step 4: Simplify right side
173,787.71x = 23,332,321,385.87 - Step 5: Solve for x
x = 23,332,321,385.87/173,787.71 - Step 6: Final answer
x = 134,257.61
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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.