Finding the Fourth Proportional to 247,378.80, 341,383.40 and 134,201.55
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Solution
The fourth proportional to 247,378.80, 341,383.40 and 134,201.55 is: 185,198.49
Step by Step Solution
- Step 1: Write the proportion equation
247,378.80 : 341,383.40 = 134,201.55 : x - Step 2: Convert to fraction form
247,378.80/341,383.40 = 134,201.55/x - Step 3: Cross multiply
247,378.80x = 341,383.40 × 134,201.55 - Step 4: Simplify right side
247,378.80x = 45,814,180,753.26 - Step 5: Solve for x
x = 45,814,180,753.26/247,378.80 - Step 6: Final answer
x = 185,198.49
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1.5x scale
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.