Home / 348,834.60-523,251.90-345,148.20

Finding the Fourth Proportional to 348,834.60, 523,251.90 and 345,148.20

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Solution

The fourth proportional to 348,834.60, 523,251.90 and 345,148.20 is: 517,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,834.60 : 523,251.90 = 345,148.20 : x
  2. Step 2: Convert to fraction form
    348,834.60/523,251.90 = 345,148.20/x
  3. Step 3: Cross multiply
    348,834.60x = 523,251.90 × 345,148.20
  4. Step 4: Simplify right side
    348,834.60x = 180,599,451,431.58
  5. Step 5: Solve for x
    x = 180,599,451,431.58/348,834.60
  6. Step 6: Final answer
    x = 517,722.30

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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.