Home / 619,338.16-929,008.72-170,065.20

Finding the Fourth Proportional to 619,338.16, 929,008.72 and 170,065.20

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Solution

The fourth proportional to 619,338.16, 929,008.72 and 170,065.20 is: 255,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,338.16 : 929,008.72 = 170,065.20 : x
  2. Step 2: Convert to fraction form
    619,338.16/929,008.72 = 170,065.20/x
  3. Step 3: Cross multiply
    619,338.16x = 929,008.72 × 170,065.20
  4. Step 4: Simplify right side
    619,338.16x = 157,992,053,768.54
  5. Step 5: Solve for x
    x = 157,992,053,768.54/619,338.16
  6. Step 6: Final answer
    x = 255,098.21

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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.