Home / 200,920.24-301,391.91-72,864.41

Finding the Fourth Proportional to 200,920.24, 301,391.91 and 72,864.41

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Solution

The fourth proportional to 200,920.24, 301,391.91 and 72,864.41 is: 109,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,920.24 : 301,391.91 = 72,864.41 : x
  2. Step 2: Convert to fraction form
    200,920.24/301,391.91 = 72,864.41/x
  3. Step 3: Cross multiply
    200,920.24x = 301,391.91 × 72,864.41
  4. Step 4: Simplify right side
    200,920.24x = 21,960,742,856.36
  5. Step 5: Solve for x
    x = 21,960,742,856.36/200,920.24
  6. Step 6: Final answer
    x = 109,300.80

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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.