Finding the Fourth Proportional to 341,581.80, 471,422.84 and 284,119.76
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Solution
The fourth proportional to 341,581.80, 471,422.84 and 284,119.76 is: 392,118.50
Step by Step Solution
- Step 1: Write the proportion equation
341,581.80 : 471,422.84 = 284,119.76 : x - Step 2: Convert to fraction form
341,581.80/471,422.84 = 284,119.76/x - Step 3: Cross multiply
341,581.80x = 471,422.84 × 284,119.76 - Step 4: Simplify right side
341,581.80x = 133,940,544,159.32 - Step 5: Solve for x
x = 133,940,544,159.32/341,581.80 - Step 6: Final answer
x = 392,118.50
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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.