Home / 198,002.40-296,485.20-145,125.60

Finding the Fourth Proportional to 198,002.40, 296,485.20 and 145,125.60

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Solution

The fourth proportional to 198,002.40, 296,485.20 and 145,125.60 is: 217,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,002.40 : 296,485.20 = 145,125.60 : x
  2. Step 2: Convert to fraction form
    198,002.40/296,485.20 = 145,125.60/x
  3. Step 3: Cross multiply
    198,002.40x = 296,485.20 × 145,125.60
  4. Step 4: Simplify right side
    198,002.40x = 43,027,592,541.12
  5. Step 5: Solve for x
    x = 43,027,592,541.12/198,002.40
  6. Step 6: Final answer
    x = 217,308.44

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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.