Finding the Fourth Proportional to 134,438.13, 201,589.16 and 75,257.91
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Solution
The fourth proportional to 134,438.13, 201,589.16 and 75,257.91 is: 112,848.78
Step by Step Solution
- Step 1: Write the proportion equation
134,438.13 : 201,589.16 = 75,257.91 : x - Step 2: Convert to fraction form
134,438.13/201,589.16 = 75,257.91/x - Step 3: Cross multiply
134,438.13x = 201,589.16 × 75,257.91 - Step 4: Simplify right side
134,438.13x = 15,171,178,483.97 - Step 5: Solve for x
x = 15,171,178,483.97/134,438.13 - Step 6: Final answer
x = 112,848.78
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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.