Home / 307,865.28-424,924.92-180,581.88

Finding the Fourth Proportional to 307,865.28, 424,924.92 and 180,581.88

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Solution

The fourth proportional to 307,865.28, 424,924.92 and 180,581.88 is: 249,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,865.28 : 424,924.92 = 180,581.88 : x
  2. Step 2: Convert to fraction form
    307,865.28/424,924.92 = 180,581.88/x
  3. Step 3: Cross multiply
    307,865.28x = 424,924.92 × 180,581.88
  4. Step 4: Simplify right side
    307,865.28x = 76,733,740,912.45
  5. Step 5: Solve for x
    x = 76,733,740,912.45/307,865.28
  6. Step 6: Final answer
    x = 249,244.54

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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.