Finding the Fourth Proportional to 415,754.92, 573,742.02 and 224,769.70
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Solution
The fourth proportional to 415,754.92, 573,742.02 and 224,769.70 is: 310,182.31
Step by Step Solution
- Step 1: Write the proportion equation
415,754.92 : 573,742.02 = 224,769.70 : x - Step 2: Convert to fraction form
415,754.92/573,742.02 = 224,769.70/x - Step 3: Cross multiply
415,754.92x = 573,742.02 × 224,769.70 - Step 4: Simplify right side
415,754.92x = 128,959,821,712.79 - Step 5: Solve for x
x = 128,959,821,712.79/415,754.92 - Step 6: Final answer
x = 310,182.31
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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.