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Finding the Fourth Proportional to 475,228.20, 712,792.08 and 250,498.56

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Solution

The fourth proportional to 475,228.20, 712,792.08 and 250,498.56 is: 375,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,228.20 : 712,792.08 = 250,498.56 : x
  2. Step 2: Convert to fraction form
    475,228.20/712,792.08 = 250,498.56/x
  3. Step 3: Cross multiply
    475,228.20x = 712,792.08 × 250,498.56
  4. Step 4: Simplify right side
    475,228.20x = 178,553,389,619.41
  5. Step 5: Solve for x
    x = 178,553,389,619.41/475,228.20
  6. Step 6: Final answer
    x = 375,721.37

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1.5x scale

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.