Finding the Fourth Proportional to 247,470.12, 341,509.86 and 134,292.96
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Solution
The fourth proportional to 247,470.12, 341,509.86 and 134,292.96 is: 185,324.88
Step by Step Solution
- Step 1: Write the proportion equation
247,470.12 : 341,509.86 = 134,292.96 : x - Step 2: Convert to fraction form
247,470.12/341,509.86 = 134,292.96/x - Step 3: Cross multiply
247,470.12x = 341,509.86 × 134,292.96 - Step 4: Simplify right side
247,470.12x = 45,862,369,968.59 - Step 5: Solve for x
x = 45,862,369,968.59/247,470.12 - Step 6: Final answer
x = 185,324.88
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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.