Home / 578,001.60-867,067.20-178,639.20

Finding the Fourth Proportional to 578,001.60, 867,067.20 and 178,639.20

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Solution

The fourth proportional to 578,001.60, 867,067.20 and 178,639.20 is: 267,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,001.60 : 867,067.20 = 178,639.20 : x
  2. Step 2: Convert to fraction form
    578,001.60/867,067.20 = 178,639.20/x
  3. Step 3: Cross multiply
    578,001.60x = 867,067.20 × 178,639.20
  4. Step 4: Simplify right side
    578,001.60x = 154,892,190,954.24
  5. Step 5: Solve for x
    x = 154,892,190,954.24/578,001.60
  6. Step 6: Final answer
    x = 267,978.83

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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.