Finding the Fourth Proportional to 378,246.40, 567,164.80 and 156,652.80
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Solution
The fourth proportional to 378,246.40, 567,164.80 and 156,652.80 is: 234,894.38
Step by Step Solution
- Step 1: Write the proportion equation
378,246.40 : 567,164.80 = 156,652.80 : x - Step 2: Convert to fraction form
378,246.40/567,164.80 = 156,652.80/x - Step 3: Cross multiply
378,246.40x = 567,164.80 × 156,652.80 - Step 4: Simplify right side
378,246.40x = 88,847,953,981.44 - Step 5: Solve for x
x = 88,847,953,981.44/378,246.40 - Step 6: Final answer
x = 234,894.38
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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.