Home / 339,867.76-468,823.74-210,747.28

Finding the Fourth Proportional to 339,867.76, 468,823.74 and 210,747.28

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Solution

The fourth proportional to 339,867.76, 468,823.74 and 210,747.28 is: 290,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,867.76 : 468,823.74 = 210,747.28 : x
  2. Step 2: Convert to fraction form
    339,867.76/468,823.74 = 210,747.28/x
  3. Step 3: Cross multiply
    339,867.76x = 468,823.74 × 210,747.28
  4. Step 4: Simplify right side
    339,867.76x = 98,803,328,004.43
  5. Step 5: Solve for x
    x = 98,803,328,004.43/339,867.76
  6. Step 6: Final answer
    x = 290,711.09

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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.