Finding the Fourth Proportional to 219,106.17, 328,753.08 and 69,358.65
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Solution
The fourth proportional to 219,106.17, 328,753.08 and 69,358.65 is: 104,067.68
Step by Step Solution
- Step 1: Write the proportion equation
219,106.17 : 328,753.08 = 69,358.65 : x - Step 2: Convert to fraction form
219,106.17/328,753.08 = 69,358.65/x - Step 3: Cross multiply
219,106.17x = 328,753.08 × 69,358.65 - Step 4: Simplify right side
219,106.17x = 22,801,869,812.14 - Step 5: Solve for x
x = 22,801,869,812.14/219,106.17 - Step 6: Final answer
x = 104,067.68
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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.