Finding the Fourth Proportional to 247,823.13, 342,025.08 and 147,221.13
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Solution
The fourth proportional to 247,823.13, 342,025.08 and 147,221.13 is: 203,182.48
Step by Step Solution
- Step 1: Write the proportion equation
247,823.13 : 342,025.08 = 147,221.13 : x - Step 2: Convert to fraction form
247,823.13/342,025.08 = 147,221.13/x - Step 3: Cross multiply
247,823.13x = 342,025.08 × 147,221.13 - Step 4: Simplify right side
247,823.13x = 50,353,318,765.94 - Step 5: Solve for x
x = 50,353,318,765.94/247,823.13 - Step 6: Final answer
x = 203,182.48
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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.