Finding the Fourth Proportional to 178,454.60, 246,267.70 and 97,882.78
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Solution
The fourth proportional to 178,454.60, 246,267.70 and 97,882.78 is: 135,078.43
Step by Step Solution
- Step 1: Write the proportion equation
178,454.60 : 246,267.70 = 97,882.78 : x - Step 2: Convert to fraction form
178,454.60/246,267.70 = 97,882.78/x - Step 3: Cross multiply
178,454.60x = 246,267.70 × 97,882.78 - Step 4: Simplify right side
178,454.60x = 24,105,367,100.21 - Step 5: Solve for x
x = 24,105,367,100.21/178,454.60 - Step 6: Final answer
x = 135,078.43
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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.