Finding the Fourth Proportional to 115,223.70, 172,864.70 and 32,117.70
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Solution
The fourth proportional to 115,223.70, 172,864.70 and 32,117.70 is: 48,184.68
Step by Step Solution
- Step 1: Write the proportion equation
115,223.70 : 172,864.70 = 32,117.70 : x - Step 2: Convert to fraction form
115,223.70/172,864.70 = 32,117.70/x - Step 3: Cross multiply
115,223.70x = 172,864.70 × 32,117.70 - Step 4: Simplify right side
115,223.70x = 5,552,016,575.19 - Step 5: Solve for x
x = 5,552,016,575.19/115,223.70 - Step 6: Final answer
x = 48,184.68
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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.