Home / 379,266.08-568,920.98-142,610.81

Finding the Fourth Proportional to 379,266.08, 568,920.98 and 142,610.81

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Solution

The fourth proportional to 379,266.08, 568,920.98 and 142,610.81 is: 213,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,266.08 : 568,920.98 = 142,610.81 : x
  2. Step 2: Convert to fraction form
    379,266.08/568,920.98 = 142,610.81/x
  3. Step 3: Cross multiply
    379,266.08x = 568,920.98 × 142,610.81
  4. Step 4: Simplify right side
    379,266.08x = 81,134,281,783.79
  5. Step 5: Solve for x
    x = 81,134,281,783.79/379,266.08
  6. Step 6: Final answer
    x = 213,924.43

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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.