Finding the Fourth Proportional to 138,209.13, 207,346.37 and 44,714.88
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Solution
The fourth proportional to 138,209.13, 207,346.37 and 44,714.88 is: 67,082.89
Step by Step Solution
- Step 1: Write the proportion equation
138,209.13 : 207,346.37 = 44,714.88 : x - Step 2: Convert to fraction form
138,209.13/207,346.37 = 44,714.88/x - Step 3: Cross multiply
138,209.13x = 207,346.37 × 44,714.88 - Step 4: Simplify right side
138,209.13x = 9,271,467,829.41 - Step 5: Solve for x
x = 9,271,467,829.41/138,209.13 - Step 6: Final answer
x = 67,082.89
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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.