Home / 259,588.20-389,382.30-159,423.60

Finding the Fourth Proportional to 259,588.20, 389,382.30 and 159,423.60

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Solution

The fourth proportional to 259,588.20, 389,382.30 and 159,423.60 is: 239,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,588.20 : 389,382.30 = 159,423.60 : x
  2. Step 2: Convert to fraction form
    259,588.20/389,382.30 = 159,423.60/x
  3. Step 3: Cross multiply
    259,588.20x = 389,382.30 × 159,423.60
  4. Step 4: Simplify right side
    259,588.20x = 62,076,728,042.28
  5. Step 5: Solve for x
    x = 62,076,728,042.28/259,588.20
  6. Step 6: Final answer
    x = 239,135.40

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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.