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Finding the Fourth Proportional to 259,599.87, 389,399.76 and 109,801.26

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Solution

The fourth proportional to 259,599.87, 389,399.76 and 109,801.26 is: 164,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,599.87 : 389,399.76 = 109,801.26 : x
  2. Step 2: Convert to fraction form
    259,599.87/389,399.76 = 109,801.26/x
  3. Step 3: Cross multiply
    259,599.87x = 389,399.76 × 109,801.26
  4. Step 4: Simplify right side
    259,599.87x = 42,756,584,291.70
  5. Step 5: Solve for x
    x = 42,756,584,291.70/259,599.87
  6. Step 6: Final answer
    x = 164,701.87

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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.