Finding the Fourth Proportional to 115,454.56, 173,177.76 and 44,358.88
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Solution
The fourth proportional to 115,454.56, 173,177.76 and 44,358.88 is: 66,536.75
Step by Step Solution
- Step 1: Write the proportion equation
115,454.56 : 173,177.76 = 44,358.88 : x - Step 2: Convert to fraction form
115,454.56/173,177.76 = 44,358.88/x - Step 3: Cross multiply
115,454.56x = 173,177.76 × 44,358.88 - Step 4: Simplify right side
115,454.56x = 7,681,971,474.51 - Step 5: Solve for x
x = 7,681,971,474.51/115,454.56 - Step 6: Final answer
x = 66,536.75
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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.