Finding the Fourth Proportional to 172,149.05, 257,430.84 and 163,750.97
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Solution
The fourth proportional to 172,149.05, 257,430.84 and 163,750.97 is: 244,872.39
Step by Step Solution
- Step 1: Write the proportion equation
172,149.05 : 257,430.84 = 163,750.97 : x - Step 2: Convert to fraction form
172,149.05/257,430.84 = 163,750.97/x - Step 3: Cross multiply
172,149.05x = 257,430.84 × 163,750.97 - Step 4: Simplify right side
172,149.05x = 42,154,548,470.76 - Step 5: Solve for x
x = 42,154,548,470.76/172,149.05 - Step 6: Final answer
x = 244,872.39
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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.