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Finding the Fourth Proportional to 340,033.28, 469,257.28 and 187,077.76

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Solution

The fourth proportional to 340,033.28, 469,257.28 and 187,077.76 is: 258,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,033.28 : 469,257.28 = 187,077.76 : x
  2. Step 2: Convert to fraction form
    340,033.28/469,257.28 = 187,077.76/x
  3. Step 3: Cross multiply
    340,033.28x = 469,257.28 × 187,077.76
  4. Step 4: Simplify right side
    340,033.28x = 87,787,600,806.09
  5. Step 5: Solve for x
    x = 87,787,600,806.09/340,033.28
  6. Step 6: Final answer
    x = 258,173.56

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1.5x scale

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.