Home / 185,919.30-278,550.90-152,458.20

Finding the Fourth Proportional to 185,919.30, 278,550.90 and 152,458.20

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Solution

The fourth proportional to 185,919.30, 278,550.90 and 152,458.20 is: 228,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,919.30 : 278,550.90 = 152,458.20 : x
  2. Step 2: Convert to fraction form
    185,919.30/278,550.90 = 152,458.20/x
  3. Step 3: Cross multiply
    185,919.30x = 278,550.90 × 152,458.20
  4. Step 4: Simplify right side
    185,919.30x = 42,467,368,822.38
  5. Step 5: Solve for x
    x = 42,467,368,822.38/185,919.30
  6. Step 6: Final answer
    x = 228,418.29

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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.