Home / 251,920.26-347,624.25-155,108.76

Finding the Fourth Proportional to 251,920.26, 347,624.25 and 155,108.76

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Solution

The fourth proportional to 251,920.26, 347,624.25 and 155,108.76 is: 214,034.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,920.26 : 347,624.25 = 155,108.76 : x
  2. Step 2: Convert to fraction form
    251,920.26/347,624.25 = 155,108.76/x
  3. Step 3: Cross multiply
    251,920.26x = 347,624.25 × 155,108.76
  4. Step 4: Simplify right side
    251,920.26x = 53,919,566,363.43
  5. Step 5: Solve for x
    x = 53,919,566,363.43/251,920.26
  6. Step 6: Final answer
    x = 214,034.26

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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.