Finding the Fourth Proportional to 219,387.13, 329,080.69 and 53,175.13
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Solution
The fourth proportional to 219,387.13, 329,080.69 and 53,175.13 is: 79,762.69
Step by Step Solution
- Step 1: Write the proportion equation
219,387.13 : 329,080.69 = 53,175.13 : x - Step 2: Convert to fraction form
219,387.13/329,080.69 = 53,175.13/x - Step 3: Cross multiply
219,387.13x = 329,080.69 × 53,175.13 - Step 4: Simplify right side
219,387.13x = 17,498,908,471.24 - Step 5: Solve for x
x = 17,498,908,471.24/219,387.13 - Step 6: Final answer
x = 79,762.69
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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.