Finding the Fourth Proportional to 225,442.62, 338,170.07 and 67,671.09
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Solution
The fourth proportional to 225,442.62, 338,170.07 and 67,671.09 is: 101,508.48
Step by Step Solution
- Step 1: Write the proportion equation
225,442.62 : 338,170.07 = 67,671.09 : x - Step 2: Convert to fraction form
225,442.62/338,170.07 = 67,671.09/x - Step 3: Cross multiply
225,442.62x = 338,170.07 × 67,671.09 - Step 4: Simplify right side
225,442.62x = 22,884,337,242.28 - Step 5: Solve for x
x = 22,884,337,242.28/225,442.62 - Step 6: Final answer
x = 101,508.48
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1.5x scale
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.