Home / 318,948.26-478,256.28-150,423.33

Finding the Fourth Proportional to 318,948.26, 478,256.28 and 150,423.33

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Solution

The fourth proportional to 318,948.26, 478,256.28 and 150,423.33 is: 225,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,948.26 : 478,256.28 = 150,423.33 : x
  2. Step 2: Convert to fraction form
    318,948.26/478,256.28 = 150,423.33/x
  3. Step 3: Cross multiply
    318,948.26x = 478,256.28 × 150,423.33
  4. Step 4: Simplify right side
    318,948.26x = 71,940,903,709.22
  5. Step 5: Solve for x
    x = 71,940,903,709.22/318,948.26
  6. Step 6: Final answer
    x = 225,556.66

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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.