Home / 347,320.89-478,843.38-250,443.68

Finding the Fourth Proportional to 347,320.89, 478,843.38 and 250,443.68

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Solution

The fourth proportional to 347,320.89, 478,843.38 and 250,443.68 is: 345,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,320.89 : 478,843.38 = 250,443.68 : x
  2. Step 2: Convert to fraction form
    347,320.89/478,843.38 = 250,443.68/x
  3. Step 3: Cross multiply
    347,320.89x = 478,843.38 × 250,443.68
  4. Step 4: Simplify right side
    347,320.89x = 119,923,295,836.62
  5. Step 5: Solve for x
    x = 119,923,295,836.62/347,320.89
  6. Step 6: Final answer
    x = 345,280.98

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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.