Finding the Fourth Proportional to 149,545.71, 206,391.66 and 85,882.14
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Solution
The fourth proportional to 149,545.71, 206,391.66 and 85,882.14 is: 118,528.02
Step by Step Solution
- Step 1: Write the proportion equation
149,545.71 : 206,391.66 = 85,882.14 : x - Step 2: Convert to fraction form
149,545.71/206,391.66 = 85,882.14/x - Step 3: Cross multiply
149,545.71x = 206,391.66 × 85,882.14 - Step 4: Simplify right side
149,545.71x = 17,725,357,438.95 - Step 5: Solve for x
x = 17,725,357,438.95/149,545.71 - Step 6: Final answer
x = 118,528.02
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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.