Finding the Fourth Proportional to 219,369.26, 329,226.99 and 112,748.96
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Solution
The fourth proportional to 219,369.26, 329,226.99 and 112,748.96 is: 169,212.41
Step by Step Solution
- Step 1: Write the proportion equation
219,369.26 : 329,226.99 = 112,748.96 : x - Step 2: Convert to fraction form
219,369.26/329,226.99 = 112,748.96/x - Step 3: Cross multiply
219,369.26x = 329,226.99 × 112,748.96 - Step 4: Simplify right side
219,369.26x = 37,120,000,726.43 - Step 5: Solve for x
x = 37,120,000,726.43/219,369.26 - Step 6: Final answer
x = 169,212.41
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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.