Finding the Fourth Proportional to 256,882.62, 354,569.32 and 149,473.47
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Solution
The fourth proportional to 256,882.62, 354,569.32 and 149,473.47 is: 206,314.88
Step by Step Solution
- Step 1: Write the proportion equation
256,882.62 : 354,569.32 = 149,473.47 : x - Step 2: Convert to fraction form
256,882.62/354,569.32 = 149,473.47/x - Step 3: Cross multiply
256,882.62x = 354,569.32 × 149,473.47 - Step 4: Simplify right side
256,882.62x = 52,998,706,615.94 - Step 5: Solve for x
x = 52,998,706,615.94/256,882.62 - Step 6: Final answer
x = 206,314.88
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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.