Finding the Fourth Proportional to 256,494.99, 353,952.14 and 141,767.76
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Solution
The fourth proportional to 256,494.99, 353,952.14 and 141,767.76 is: 195,633.46
Step by Step Solution
- Step 1: Write the proportion equation
256,494.99 : 353,952.14 = 141,767.76 : x - Step 2: Convert to fraction form
256,494.99/353,952.14 = 141,767.76/x - Step 3: Cross multiply
256,494.99x = 353,952.14 × 141,767.76 - Step 4: Simplify right side
256,494.99x = 50,179,001,326.17 - Step 5: Solve for x
x = 50,179,001,326.17/256,494.99 - Step 6: Final answer
x = 195,633.46
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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.