Finding the Fourth Proportional to 219,223.68, 328,861.44 and 69,470.88
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Solution
The fourth proportional to 219,223.68, 328,861.44 and 69,470.88 is: 104,214.53
Step by Step Solution
- Step 1: Write the proportion equation
219,223.68 : 328,861.44 = 69,470.88 : x - Step 2: Convert to fraction form
219,223.68/328,861.44 = 69,470.88/x - Step 3: Cross multiply
219,223.68x = 328,861.44 × 69,470.88 - Step 4: Simplify right side
219,223.68x = 22,846,293,634.87 - Step 5: Solve for x
x = 22,846,293,634.87/219,223.68 - Step 6: Final answer
x = 104,214.53
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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.