Finding the Fourth Proportional to 351,186.80, 526,780.20 and 173,721.20
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Solution
The fourth proportional to 351,186.80, 526,780.20 and 173,721.20 is: 260,581.80
Step by Step Solution
- Step 1: Write the proportion equation
351,186.80 : 526,780.20 = 173,721.20 : x - Step 2: Convert to fraction form
351,186.80/526,780.20 = 173,721.20/x - Step 3: Cross multiply
351,186.80x = 526,780.20 × 173,721.20 - Step 4: Simplify right side
351,186.80x = 91,512,888,480.24 - Step 5: Solve for x
x = 91,512,888,480.24/351,186.80 - Step 6: Final answer
x = 260,581.80
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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.