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Finding the Fourth Proportional to 425,835.50, 587,652.71 and 234,848.97

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Solution

The fourth proportional to 425,835.50, 587,652.71 and 234,848.97 is: 324,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,835.50 : 587,652.71 = 234,848.97 : x
  2. Step 2: Convert to fraction form
    425,835.50/587,652.71 = 234,848.97/x
  3. Step 3: Cross multiply
    425,835.50x = 587,652.71 × 234,848.97
  4. Step 4: Simplify right side
    425,835.50x = 138,009,632,486.96
  5. Step 5: Solve for x
    x = 138,009,632,486.96/425,835.50
  6. Step 6: Final answer
    x = 324,091.43

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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.