Finding the Fourth Proportional to 256,735.12, 354,267.18 and 141,995.52
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Solution
The fourth proportional to 256,735.12, 354,267.18 and 141,995.52 is: 195,938.73
Step by Step Solution
- Step 1: Write the proportion equation
256,735.12 : 354,267.18 = 141,995.52 : x - Step 2: Convert to fraction form
256,735.12/354,267.18 = 141,995.52/x - Step 3: Cross multiply
256,735.12x = 354,267.18 × 141,995.52 - Step 4: Simplify right side
256,735.12x = 50,304,352,443.03 - Step 5: Solve for x
x = 50,304,352,443.03/256,735.12 - Step 6: Final answer
x = 195,938.73
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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.