Finding the Fourth Proportional to 247,931.06, 342,147.12 and 134,754.08
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Solution
The fourth proportional to 247,931.06, 342,147.12 and 134,754.08 is: 185,961.86
Step by Step Solution
- Step 1: Write the proportion equation
247,931.06 : 342,147.12 = 134,754.08 : x - Step 2: Convert to fraction form
247,931.06/342,147.12 = 134,754.08/x - Step 3: Cross multiply
247,931.06x = 342,147.12 × 134,754.08 - Step 4: Simplify right side
247,931.06x = 46,105,720,380.25 - Step 5: Solve for x
x = 46,105,720,380.25/247,931.06 - Step 6: Final answer
x = 185,961.86
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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.