Home / 279,373.20-419,067.50-102,012.36

Finding the Fourth Proportional to 279,373.20, 419,067.50 and 102,012.36

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Solution

The fourth proportional to 279,373.20, 419,067.50 and 102,012.36 is: 153,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,373.20 : 419,067.50 = 102,012.36 : x
  2. Step 2: Convert to fraction form
    279,373.20/419,067.50 = 102,012.36/x
  3. Step 3: Cross multiply
    279,373.20x = 419,067.50 × 102,012.36
  4. Step 4: Simplify right side
    279,373.20x = 42,750,064,164.24
  5. Step 5: Solve for x
    x = 42,750,064,164.24/279,373.20
  6. Step 6: Final answer
    x = 153,021.35

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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.