Finding the Fourth Proportional to 173,299.80, 239,017.80 and 112,889.44
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Solution
The fourth proportional to 173,299.80, 239,017.80 and 112,889.44 is: 155,698.88
Step by Step Solution
- Step 1: Write the proportion equation
173,299.80 : 239,017.80 = 112,889.44 : x - Step 2: Convert to fraction form
173,299.80/239,017.80 = 112,889.44/x - Step 3: Cross multiply
173,299.80x = 239,017.80 × 112,889.44 - Step 4: Simplify right side
173,299.80x = 26,982,585,592.03 - Step 5: Solve for x
x = 26,982,585,592.03/173,299.80 - Step 6: Final answer
x = 155,698.88
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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.