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Finding the Fourth Proportional to 239,438.40, 359,157.60 and 133,150.20

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Solution

The fourth proportional to 239,438.40, 359,157.60 and 133,150.20 is: 199,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,438.40 : 359,157.60 = 133,150.20 : x
  2. Step 2: Convert to fraction form
    239,438.40/359,157.60 = 133,150.20/x
  3. Step 3: Cross multiply
    239,438.40x = 359,157.60 × 133,150.20
  4. Step 4: Simplify right side
    239,438.40x = 47,821,906,271.52
  5. Step 5: Solve for x
    x = 47,821,906,271.52/239,438.40
  6. Step 6: Final answer
    x = 199,725.30

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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.