Finding the Fourth Proportional to 439,108.14, 658,663.80 and 106,684.14
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Solution
The fourth proportional to 439,108.14, 658,663.80 and 106,684.14 is: 160,026.60
Step by Step Solution
- Step 1: Write the proportion equation
439,108.14 : 658,663.80 = 106,684.14 : x - Step 2: Convert to fraction form
439,108.14/658,663.80 = 106,684.14/x - Step 3: Cross multiply
439,108.14x = 658,663.80 × 106,684.14 - Step 4: Simplify right side
439,108.14x = 70,268,981,052.13 - Step 5: Solve for x
x = 70,268,981,052.13/439,108.14 - Step 6: Final answer
x = 160,026.60
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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.