Home / 340,237.20-469,523.61-187,272.12

Finding the Fourth Proportional to 340,237.20, 469,523.61 and 187,272.12

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Solution

The fourth proportional to 340,237.20, 469,523.61 and 187,272.12 is: 258,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,237.20 : 469,523.61 = 187,272.12 : x
  2. Step 2: Convert to fraction form
    340,237.20/469,523.61 = 187,272.12/x
  3. Step 3: Cross multiply
    340,237.20x = 469,523.61 × 187,272.12
  4. Step 4: Simplify right side
    340,237.20x = 87,928,681,834.75
  5. Step 5: Solve for x
    x = 87,928,681,834.75/340,237.20
  6. Step 6: Final answer
    x = 258,433.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.