Finding the Fourth Proportional to 185,291.97, 255,604.11 and 112,717.05
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Solution
The fourth proportional to 185,291.97, 255,604.11 and 112,717.05 is: 155,489.42
Step by Step Solution
- Step 1: Write the proportion equation
185,291.97 : 255,604.11 = 112,717.05 : x - Step 2: Convert to fraction form
185,291.97/255,604.11 = 112,717.05/x - Step 3: Cross multiply
185,291.97x = 255,604.11 × 112,717.05 - Step 4: Simplify right side
185,291.97x = 28,810,941,247.08 - Step 5: Solve for x
x = 28,810,941,247.08/185,291.97 - Step 6: Final answer
x = 155,489.42
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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.