Finding the Fourth Proportional to 106,231.20, 159,176.70 and 56,246.10
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Solution
The fourth proportional to 106,231.20, 159,176.70 and 56,246.10 is: 84,279.09
Step by Step Solution
- Step 1: Write the proportion equation
106,231.20 : 159,176.70 = 56,246.10 : x - Step 2: Convert to fraction form
106,231.20/159,176.70 = 56,246.10/x - Step 3: Cross multiply
106,231.20x = 159,176.70 × 56,246.10 - Step 4: Simplify right side
106,231.20x = 8,953,068,585.87 - Step 5: Solve for x
x = 8,953,068,585.87/106,231.20 - Step 6: Final answer
x = 84,279.09
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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.