Finding the Fourth Proportional to 170,867.08, 235,778.58 and 99,233.08
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Solution
The fourth proportional to 170,867.08, 235,778.58 and 99,233.08 is: 136,931.20
Step by Step Solution
- Step 1: Write the proportion equation
170,867.08 : 235,778.58 = 99,233.08 : x - Step 2: Convert to fraction form
170,867.08/235,778.58 = 99,233.08/x - Step 3: Cross multiply
170,867.08x = 235,778.58 × 99,233.08 - Step 4: Simplify right side
170,867.08x = 23,397,034,691.43 - Step 5: Solve for x
x = 23,397,034,691.43/170,867.08 - Step 6: Final answer
x = 136,931.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.