Finding the Fourth Proportional to 219,616.20, 329,424.30 and 195,121.80
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Solution
The fourth proportional to 219,616.20, 329,424.30 and 195,121.80 is: 292,682.70
Step by Step Solution
- Step 1: Write the proportion equation
219,616.20 : 329,424.30 = 195,121.80 : x - Step 2: Convert to fraction form
219,616.20/329,424.30 = 195,121.80/x - Step 3: Cross multiply
219,616.20x = 329,424.30 × 195,121.80 - Step 4: Simplify right side
219,616.20x = 64,277,862,379.74 - Step 5: Solve for x
x = 64,277,862,379.74/219,616.20 - Step 6: Final answer
x = 292,682.70
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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.