Home / 250,821.55-376,231.30-90,860.06

Finding the Fourth Proportional to 250,821.55, 376,231.30 and 90,860.06

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Solution

The fourth proportional to 250,821.55, 376,231.30 and 90,860.06 is: 136,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,821.55 : 376,231.30 = 90,860.06 : x
  2. Step 2: Convert to fraction form
    250,821.55/376,231.30 = 90,860.06/x
  3. Step 3: Cross multiply
    250,821.55x = 376,231.30 × 90,860.06
  4. Step 4: Simplify right side
    250,821.55x = 34,184,398,491.88
  5. Step 5: Solve for x
    x = 34,184,398,491.88/250,821.55
  6. Step 6: Final answer
    x = 136,289.72

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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.