Home / 245,854.20-368,781.30-243,521.40

Finding the Fourth Proportional to 245,854.20, 368,781.30 and 243,521.40

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Solution

The fourth proportional to 245,854.20, 368,781.30 and 243,521.40 is: 365,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,854.20 : 368,781.30 = 243,521.40 : x
  2. Step 2: Convert to fraction form
    245,854.20/368,781.30 = 243,521.40/x
  3. Step 3: Cross multiply
    245,854.20x = 368,781.30 × 243,521.40
  4. Step 4: Simplify right side
    245,854.20x = 89,806,138,469.82
  5. Step 5: Solve for x
    x = 89,806,138,469.82/245,854.20
  6. Step 6: Final answer
    x = 365,282.10

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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.