Home / 348,529.41-522,819.11-145,921.64

Finding the Fourth Proportional to 348,529.41, 522,819.11 and 145,921.64

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Solution

The fourth proportional to 348,529.41, 522,819.11 and 145,921.64 is: 218,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,529.41 : 522,819.11 = 145,921.64 : x
  2. Step 2: Convert to fraction form
    348,529.41/522,819.11 = 145,921.64/x
  3. Step 3: Cross multiply
    348,529.41x = 522,819.11 × 145,921.64
  4. Step 4: Simplify right side
    348,529.41x = 76,290,618,610.84
  5. Step 5: Solve for x
    x = 76,290,618,610.84/348,529.41
  6. Step 6: Final answer
    x = 218,892.92

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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.