Home / 293,306.49-440,007.39-90,855.32

Finding the Fourth Proportional to 293,306.49, 440,007.39 and 90,855.32

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Solution

The fourth proportional to 293,306.49, 440,007.39 and 90,855.32 is: 136,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,306.49 : 440,007.39 = 90,855.32 : x
  2. Step 2: Convert to fraction form
    293,306.49/440,007.39 = 90,855.32/x
  3. Step 3: Cross multiply
    293,306.49x = 440,007.39 × 90,855.32
  4. Step 4: Simplify right side
    293,306.49x = 39,977,010,020.78
  5. Step 5: Solve for x
    x = 39,977,010,020.78/293,306.49
  6. Step 6: Final answer
    x = 136,297.73

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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.