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Finding the Fourth Proportional to 425,845.96, 587,671.14 and 234,865.96

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Solution

The fourth proportional to 425,845.96, 587,671.14 and 234,865.96 is: 324,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,845.96 : 587,671.14 = 234,865.96 : x
  2. Step 2: Convert to fraction form
    425,845.96/587,671.14 = 234,865.96/x
  3. Step 3: Cross multiply
    425,845.96x = 587,671.14 × 234,865.96
  4. Step 4: Simplify right side
    425,845.96x = 138,023,946,460.39
  5. Step 5: Solve for x
    x = 138,023,946,460.39/425,845.96
  6. Step 6: Final answer
    x = 324,117.07

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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.