Finding the Fourth Proportional to 256,735.24, 354,267.36 and 141,995.65
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Solution
The fourth proportional to 256,735.24, 354,267.36 and 141,995.65 is: 195,938.91
Step by Step Solution
- Step 1: Write the proportion equation
256,735.24 : 354,267.36 = 141,995.65 : x - Step 2: Convert to fraction form
256,735.24/354,267.36 = 141,995.65/x - Step 3: Cross multiply
256,735.24x = 354,267.36 × 141,995.65 - Step 4: Simplify right side
256,735.24x = 50,304,424,056.98 - Step 5: Solve for x
x = 50,304,424,056.98/256,735.24 - Step 6: Final answer
x = 195,938.91
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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.