Finding the Fourth Proportional to 219,863.08, 329,573.04 and 86,691.88
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Solution
The fourth proportional to 219,863.08, 329,573.04 and 86,691.88 is: 129,950.45
Step by Step Solution
- Step 1: Write the proportion equation
219,863.08 : 329,573.04 = 86,691.88 : x - Step 2: Convert to fraction form
219,863.08/329,573.04 = 86,691.88/x - Step 3: Cross multiply
219,863.08x = 329,573.04 × 86,691.88 - Step 4: Simplify right side
219,863.08x = 28,571,306,434.92 - Step 5: Solve for x
x = 28,571,306,434.92/219,863.08 - Step 6: Final answer
x = 129,950.45
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1.5x scale
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.