Finding the Fourth Proportional to 439,079.55, 658,663.14 and 119,236.62
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Solution
The fourth proportional to 439,079.55, 658,663.14 and 119,236.62 is: 178,866.83
Step by Step Solution
- Step 1: Write the proportion equation
439,079.55 : 658,663.14 = 119,236.62 : x - Step 2: Convert to fraction form
439,079.55/658,663.14 = 119,236.62/x - Step 3: Cross multiply
439,079.55x = 658,663.14 × 119,236.62 - Step 4: Simplify right side
439,079.55x = 78,536,766,532.19 - Step 5: Solve for x
x = 78,536,766,532.19/439,079.55 - Step 6: Final answer
x = 178,866.83
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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.