Home / 228,024.12-341,702.46-128,378.73

Finding the Fourth Proportional to 228,024.12, 341,702.46 and 128,378.73

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Solution

The fourth proportional to 228,024.12, 341,702.46 and 128,378.73 is: 192,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,024.12 : 341,702.46 = 128,378.73 : x
  2. Step 2: Convert to fraction form
    228,024.12/341,702.46 = 128,378.73/x
  3. Step 3: Cross multiply
    228,024.12x = 341,702.46 × 128,378.73
  4. Step 4: Simplify right side
    228,024.12x = 43,867,327,852.68
  5. Step 5: Solve for x
    x = 43,867,327,852.68/228,024.12
  6. Step 6: Final answer
    x = 192,380.21

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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.