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Finding the Fourth Proportional to 360,207.92, 540,142.24 and 210,491.48

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Solution

The fourth proportional to 360,207.92, 540,142.24 and 210,491.48 is: 315,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,207.92 : 540,142.24 = 210,491.48 : x
  2. Step 2: Convert to fraction form
    360,207.92/540,142.24 = 210,491.48/x
  3. Step 3: Cross multiply
    360,207.92x = 540,142.24 × 210,491.48
  4. Step 4: Simplify right side
    360,207.92x = 113,695,339,508.12
  5. Step 5: Solve for x
    x = 113,695,339,508.12/360,207.92
  6. Step 6: Final answer
    x = 315,638.09

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1.5x scale

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.