Finding the Fourth Proportional to 106,585.20, 159,877.80 and 106,585.20
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Solution
The fourth proportional to 106,585.20, 159,877.80 and 106,585.20 is: 159,877.80
Step by Step Solution
- Step 1: Write the proportion equation
106,585.20 : 159,877.80 = 106,585.20 : x - Step 2: Convert to fraction form
106,585.20/159,877.80 = 106,585.20/x - Step 3: Cross multiply
106,585.20x = 159,877.80 × 106,585.20 - Step 4: Simplify right side
106,585.20x = 17,040,607,288.56 - Step 5: Solve for x
x = 17,040,607,288.56/106,585.20 - Step 6: Final answer
x = 159,877.80
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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.