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Finding the Fourth Proportional to 283,735.78, 425,729.00 and 148,767.57

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Solution

The fourth proportional to 283,735.78, 425,729.00 and 148,767.57 is: 223,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,735.78 : 425,729.00 = 148,767.57 : x
  2. Step 2: Convert to fraction form
    283,735.78/425,729.00 = 148,767.57/x
  3. Step 3: Cross multiply
    283,735.78x = 425,729.00 × 148,767.57
  4. Step 4: Simplify right side
    283,735.78x = 63,334,669,180.45
  5. Step 5: Solve for x
    x = 63,334,669,180.45/283,735.78
  6. Step 6: Final answer
    x = 223,217.07

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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.