Finding the Fourth Proportional to 247,850.88, 342,034.21 and 147,248.88
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Solution
The fourth proportional to 247,850.88, 342,034.21 and 147,248.88 is: 203,203.45
Step by Step Solution
- Step 1: Write the proportion equation
247,850.88 : 342,034.21 = 147,248.88 : x - Step 2: Convert to fraction form
247,850.88/342,034.21 = 147,248.88/x - Step 3: Cross multiply
247,850.88x = 342,034.21 × 147,248.88 - Step 4: Simplify right side
247,850.88x = 50,364,154,344.18 - Step 5: Solve for x
x = 50,364,154,344.18/247,850.88 - Step 6: Final answer
x = 203,203.45
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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.