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Finding the Fourth Proportional to 379,353.28, 523,501.44 and 207,267.56

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Solution

The fourth proportional to 379,353.28, 523,501.44 and 207,267.56 is: 286,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,353.28 : 523,501.44 = 207,267.56 : x
  2. Step 2: Convert to fraction form
    379,353.28/523,501.44 = 207,267.56/x
  3. Step 3: Cross multiply
    379,353.28x = 523,501.44 × 207,267.56
  4. Step 4: Simplify right side
    379,353.28x = 108,504,866,125.29
  5. Step 5: Solve for x
    x = 108,504,866,125.29/379,353.28
  6. Step 6: Final answer
    x = 286,025.91

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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.