Home / 633,086.40-949,629.60-212,260.80

Finding the Fourth Proportional to 633,086.40, 949,629.60 and 212,260.80

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Solution

The fourth proportional to 633,086.40, 949,629.60 and 212,260.80 is: 318,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,086.40 : 949,629.60 = 212,260.80 : x
  2. Step 2: Convert to fraction form
    633,086.40/949,629.60 = 212,260.80/x
  3. Step 3: Cross multiply
    633,086.40x = 949,629.60 × 212,260.80
  4. Step 4: Simplify right side
    633,086.40x = 201,569,138,599.68
  5. Step 5: Solve for x
    x = 201,569,138,599.68/633,086.40
  6. Step 6: Final answer
    x = 318,391.20

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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.