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Finding the Fourth Proportional to 230,270.88, 345,484.76 and 140,493.36

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Solution

The fourth proportional to 230,270.88, 345,484.76 and 140,493.36 is: 210,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,270.88 : 345,484.76 = 140,493.36 : x
  2. Step 2: Convert to fraction form
    230,270.88/345,484.76 = 140,493.36/x
  3. Step 3: Cross multiply
    230,270.88x = 345,484.76 × 140,493.36
  4. Step 4: Simplify right side
    230,270.88x = 48,538,314,761.19
  5. Step 5: Solve for x
    x = 48,538,314,761.19/230,270.88
  6. Step 6: Final answer
    x = 210,787.90

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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.