Home / 228,631.60-342,947.40-197,138.80

Finding the Fourth Proportional to 228,631.60, 342,947.40 and 197,138.80

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Solution

The fourth proportional to 228,631.60, 342,947.40 and 197,138.80 is: 295,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,631.60 : 342,947.40 = 197,138.80 : x
  2. Step 2: Convert to fraction form
    228,631.60/342,947.40 = 197,138.80/x
  3. Step 3: Cross multiply
    228,631.60x = 342,947.40 × 197,138.80
  4. Step 4: Simplify right side
    228,631.60x = 67,608,238,899.12
  5. Step 5: Solve for x
    x = 67,608,238,899.12/228,631.60
  6. Step 6: Final answer
    x = 295,708.20

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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.