Finding the Fourth Proportional to 239,644.68, 330,650.58 and 146,486.91
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Solution
The fourth proportional to 239,644.68, 330,650.58 and 146,486.91 is: 202,115.82
Step by Step Solution
- Step 1: Write the proportion equation
239,644.68 : 330,650.58 = 146,486.91 : x - Step 2: Convert to fraction form
239,644.68/330,650.58 = 146,486.91/x - Step 3: Cross multiply
239,644.68x = 330,650.58 × 146,486.91 - Step 4: Simplify right side
239,644.68x = 48,435,981,753.91 - Step 5: Solve for x
x = 48,435,981,753.91/239,644.68 - Step 6: Final answer
x = 202,115.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.