Home / 259,624.20-389,436.30-159,459.60

Finding the Fourth Proportional to 259,624.20, 389,436.30 and 159,459.60

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Solution

The fourth proportional to 259,624.20, 389,436.30 and 159,459.60 is: 239,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,624.20 : 389,436.30 = 159,459.60 : x
  2. Step 2: Convert to fraction form
    259,624.20/389,436.30 = 159,459.60/x
  3. Step 3: Cross multiply
    259,624.20x = 389,436.30 × 159,459.60
  4. Step 4: Simplify right side
    259,624.20x = 62,099,356,623.48
  5. Step 5: Solve for x
    x = 62,099,356,623.48/259,624.20
  6. Step 6: Final answer
    x = 239,189.40

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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.