Home / 259,473.81-389,238.41-109,729.24

Finding the Fourth Proportional to 259,473.81, 389,238.41 and 109,729.24

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Solution

The fourth proportional to 259,473.81, 389,238.41 and 109,729.24 is: 164,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,473.81 : 389,238.41 = 109,729.24 : x
  2. Step 2: Convert to fraction form
    259,473.81/389,238.41 = 109,729.24/x
  3. Step 3: Cross multiply
    259,473.81x = 389,238.41 × 109,729.24
  4. Step 4: Simplify right side
    259,473.81x = 42,710,834,209.34
  5. Step 5: Solve for x
    x = 42,710,834,209.34/259,473.81
  6. Step 6: Final answer
    x = 164,605.57

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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.