Finding the Fourth Proportional to 219,549.12, 329,343.12 and 61,778.94
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Solution
The fourth proportional to 219,549.12, 329,343.12 and 61,778.94 is: 92,673.88
Step by Step Solution
- Step 1: Write the proportion equation
219,549.12 : 329,343.12 = 61,778.94 : x - Step 2: Convert to fraction form
219,549.12/329,343.12 = 61,778.94/x - Step 3: Cross multiply
219,549.12x = 329,343.12 × 61,778.94 - Step 4: Simplify right side
219,549.12x = 20,346,468,849.89 - Step 5: Solve for x
x = 20,346,468,849.89/219,549.12 - Step 6: Final answer
x = 92,673.88
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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.