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Finding the Fourth Proportional to 338,228.40, 466,754.88 and 187,325.28

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Solution

The fourth proportional to 338,228.40, 466,754.88 and 187,325.28 is: 258,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,228.40 : 466,754.88 = 187,325.28 : x
  2. Step 2: Convert to fraction form
    338,228.40/466,754.88 = 187,325.28/x
  3. Step 3: Cross multiply
    338,228.40x = 466,754.88 × 187,325.28
  4. Step 4: Simplify right side
    338,228.40x = 87,434,988,587.37
  5. Step 5: Solve for x
    x = 87,434,988,587.37/338,228.40
  6. Step 6: Final answer
    x = 258,508.71

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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.