Finding the Fourth Proportional to 174,251.70, 260,721.45 and 115,202.70
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Solution
The fourth proportional to 174,251.70, 260,721.45 and 115,202.70 is: 172,370.28
Step by Step Solution
- Step 1: Write the proportion equation
174,251.70 : 260,721.45 = 115,202.70 : x - Step 2: Convert to fraction form
174,251.70/260,721.45 = 115,202.70/x - Step 3: Cross multiply
174,251.70x = 260,721.45 × 115,202.70 - Step 4: Simplify right side
174,251.70x = 30,035,814,987.92 - Step 5: Solve for x
x = 30,035,814,987.92/174,251.70 - Step 6: Final answer
x = 172,370.28
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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.