Home / 351,645.20-527,467.80-185,757.20

Finding the Fourth Proportional to 351,645.20, 527,467.80 and 185,757.20

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Solution

The fourth proportional to 351,645.20, 527,467.80 and 185,757.20 is: 278,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,645.20 : 527,467.80 = 185,757.20 : x
  2. Step 2: Convert to fraction form
    351,645.20/527,467.80 = 185,757.20/x
  3. Step 3: Cross multiply
    351,645.20x = 527,467.80 × 185,757.20
  4. Step 4: Simplify right side
    351,645.20x = 97,980,941,618.16
  5. Step 5: Solve for x
    x = 97,980,941,618.16/351,645.20
  6. Step 6: Final answer
    x = 278,635.80

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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.