Finding the Fourth Proportional to 247,672.14, 341,788.86 and 140,263.08
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Solution
The fourth proportional to 247,672.14, 341,788.86 and 140,263.08 is: 193,563.79
Step by Step Solution
- Step 1: Write the proportion equation
247,672.14 : 341,788.86 = 140,263.08 : x - Step 2: Convert to fraction form
247,672.14/341,788.86 = 140,263.08/x - Step 3: Cross multiply
247,672.14x = 341,788.86 × 140,263.08 - Step 4: Simplify right side
247,672.14x = 47,940,358,213.29 - Step 5: Solve for x
x = 47,940,358,213.29/247,672.14 - Step 6: Final answer
x = 193,563.79
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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.