Finding the Fourth Proportional to 761,161.59, 1,141,873.70 and 255,771.09
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Solution
The fourth proportional to 761,161.59, 1,141,873.70 and 255,771.09 is: 383,700.76
Step by Step Solution
- Step 1: Write the proportion equation
761,161.59 : 1,141,873.70 = 255,771.09 : x - Step 2: Convert to fraction form
761,161.59/1,141,873.70 = 255,771.09/x - Step 3: Cross multiply
761,161.59x = 1,141,873.70 × 255,771.09 - Step 4: Simplify right side
761,161.59x = 292,058,279,612.48 - Step 5: Solve for x
x = 292,058,279,612.48/761,161.59 - Step 6: Final answer
x = 383,700.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.