Home / 361,931.04-542,942.46-137,369.88

Finding the Fourth Proportional to 361,931.04, 542,942.46 and 137,369.88

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Solution

The fourth proportional to 361,931.04, 542,942.46 and 137,369.88 is: 206,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,931.04 : 542,942.46 = 137,369.88 : x
  2. Step 2: Convert to fraction form
    361,931.04/542,942.46 = 137,369.88/x
  3. Step 3: Cross multiply
    361,931.04x = 542,942.46 × 137,369.88
  4. Step 4: Simplify right side
    361,931.04x = 74,583,940,577.10
  5. Step 5: Solve for x
    x = 74,583,940,577.10/361,931.04
  6. Step 6: Final answer
    x = 206,072.24

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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.