Finding the Fourth Proportional to 138,053.01, 207,079.52 and 44,572.53
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Solution
The fourth proportional to 138,053.01, 207,079.52 and 44,572.53 is: 66,858.80
Step by Step Solution
- Step 1: Write the proportion equation
138,053.01 : 207,079.52 = 44,572.53 : x - Step 2: Convert to fraction form
138,053.01/207,079.52 = 44,572.53/x - Step 3: Cross multiply
138,053.01x = 207,079.52 × 44,572.53 - Step 4: Simplify right side
138,053.01x = 9,230,057,894.72 - Step 5: Solve for x
x = 9,230,057,894.72/138,053.01 - Step 6: Final answer
x = 66,858.80
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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.