Finding the Fourth Proportional to 282,724.12, 423,770.14 and 122,615.20
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Solution
The fourth proportional to 282,724.12, 423,770.14 and 122,615.20 is: 183,785.74
Step by Step Solution
- Step 1: Write the proportion equation
282,724.12 : 423,770.14 = 122,615.20 : x - Step 2: Convert to fraction form
282,724.12/423,770.14 = 122,615.20/x - Step 3: Cross multiply
282,724.12x = 423,770.14 × 122,615.20 - Step 4: Simplify right side
282,724.12x = 51,960,660,470.13 - Step 5: Solve for x
x = 51,960,660,470.13/282,724.12 - Step 6: Final answer
x = 183,785.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.