Finding the Fourth Proportional to 246,350.73, 339,962.61 and 138,921.66
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Solution
The fourth proportional to 246,350.73, 339,962.61 and 138,921.66 is: 191,711.10
Step by Step Solution
- Step 1: Write the proportion equation
246,350.73 : 339,962.61 = 138,921.66 : x - Step 2: Convert to fraction form
246,350.73/339,962.61 = 138,921.66/x - Step 3: Cross multiply
246,350.73x = 339,962.61 × 138,921.66 - Step 4: Simplify right side
246,350.73x = 47,228,170,119.13 - Step 5: Solve for x
x = 47,228,170,119.13/246,350.73 - Step 6: Final answer
x = 191,711.10
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1.5x scale
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.