Finding the Fourth Proportional to 247,485.12, 341,527.68 and 134,305.44
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Solution
The fourth proportional to 247,485.12, 341,527.68 and 134,305.44 is: 185,340.54
Step by Step Solution
- Step 1: Write the proportion equation
247,485.12 : 341,527.68 = 134,305.44 : x - Step 2: Convert to fraction form
247,485.12/341,527.68 = 134,305.44/x - Step 3: Cross multiply
247,485.12x = 341,527.68 × 134,305.44 - Step 4: Simplify right side
247,485.12x = 45,869,025,334.58 - Step 5: Solve for x
x = 45,869,025,334.58/247,485.12 - Step 6: Final answer
x = 185,340.54
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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.