Finding the Fourth Proportional to 138,373.29, 207,589.10 and 44,871.75
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Solution
The fourth proportional to 138,373.29, 207,589.10 and 44,871.75 is: 67,317.08
Step by Step Solution
- Step 1: Write the proportion equation
138,373.29 : 207,589.10 = 44,871.75 : x - Step 2: Convert to fraction form
138,373.29/207,589.10 = 44,871.75/x - Step 3: Cross multiply
138,373.29x = 207,589.10 × 44,871.75 - Step 4: Simplify right side
138,373.29x = 9,314,885,973.57 - Step 5: Solve for x
x = 9,314,885,973.57/138,373.29 - Step 6: Final answer
x = 67,317.08
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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.