Home / 260,164.20-390,246.30-197,178.60

Finding the Fourth Proportional to 260,164.20, 390,246.30 and 197,178.60

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Solution

The fourth proportional to 260,164.20, 390,246.30 and 197,178.60 is: 295,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,164.20 : 390,246.30 = 197,178.60 : x
  2. Step 2: Convert to fraction form
    260,164.20/390,246.30 = 197,178.60/x
  3. Step 3: Cross multiply
    260,164.20x = 390,246.30 × 197,178.60
  4. Step 4: Simplify right side
    260,164.20x = 76,948,219,089.18
  5. Step 5: Solve for x
    x = 76,948,219,089.18/260,164.20
  6. Step 6: Final answer
    x = 295,767.90

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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.