Finding the Fourth Proportional to 252,451.08, 348,372.90 and 156,935.88
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Solution
The fourth proportional to 252,451.08, 348,372.90 and 156,935.88 is: 216,565.55
Step by Step Solution
- Step 1: Write the proportion equation
252,451.08 : 348,372.90 = 156,935.88 : x - Step 2: Convert to fraction form
252,451.08/348,372.90 = 156,935.88/x - Step 3: Cross multiply
252,451.08x = 348,372.90 × 156,935.88 - Step 4: Simplify right side
252,451.08x = 54,672,207,629.65 - Step 5: Solve for x
x = 54,672,207,629.65/252,451.08 - Step 6: Final answer
x = 216,565.55
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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.