Finding the Fourth Proportional to 219,644.02, 329,341.20 and 86,452.08
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Solution
The fourth proportional to 219,644.02, 329,341.20 and 86,452.08 is: 129,628.99
Step by Step Solution
- Step 1: Write the proportion equation
219,644.02 : 329,341.20 = 86,452.08 : x - Step 2: Convert to fraction form
219,644.02/329,341.20 = 86,452.08/x - Step 3: Cross multiply
219,644.02x = 329,341.20 × 86,452.08 - Step 4: Simplify right side
219,644.02x = 28,472,231,769.70 - Step 5: Solve for x
x = 28,472,231,769.70/219,644.02 - Step 6: Final answer
x = 129,628.99
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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.