Finding the Fourth Proportional to 106,460.29, 159,644.08 and 30,542.08
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Solution
The fourth proportional to 106,460.29, 159,644.08 and 30,542.08 is: 45,799.82
Step by Step Solution
- Step 1: Write the proportion equation
106,460.29 : 159,644.08 = 30,542.08 : x - Step 2: Convert to fraction form
106,460.29/159,644.08 = 30,542.08/x - Step 3: Cross multiply
106,460.29x = 159,644.08 × 30,542.08 - Step 4: Simplify right side
106,460.29x = 4,875,861,711.07 - Step 5: Solve for x
x = 4,875,861,711.07/106,460.29 - Step 6: Final answer
x = 45,799.82
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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.