Finding the Fourth Proportional to 247,454.19, 341,487.69 and 134,276.94
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Solution
The fourth proportional to 247,454.19, 341,487.69 and 134,276.94 is: 185,302.67
Step by Step Solution
- Step 1: Write the proportion equation
247,454.19 : 341,487.69 = 134,276.94 : x - Step 2: Convert to fraction form
247,454.19/341,487.69 = 134,276.94/x - Step 3: Cross multiply
247,454.19x = 341,487.69 × 134,276.94 - Step 4: Simplify right side
247,454.19x = 45,853,922,060.87 - Step 5: Solve for x
x = 45,853,922,060.87/247,454.19 - Step 6: Final answer
x = 185,302.67
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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.