Finding the Fourth Proportional to 239,177.43, 330,079.03 and 137,202.14
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Solution
The fourth proportional to 239,177.43, 330,079.03 and 137,202.14 is: 189,347.09
Step by Step Solution
- Step 1: Write the proportion equation
239,177.43 : 330,079.03 = 137,202.14 : x - Step 2: Convert to fraction form
239,177.43/330,079.03 = 137,202.14/x - Step 3: Cross multiply
239,177.43x = 330,079.03 × 137,202.14 - Step 4: Simplify right side
239,177.43x = 45,287,549,285.12 - Step 5: Solve for x
x = 45,287,549,285.12/239,177.43 - Step 6: Final answer
x = 189,347.09
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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.