Home / 259,664.10-389,277.45-135,005.10

Finding the Fourth Proportional to 259,664.10, 389,277.45 and 135,005.10

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Solution

The fourth proportional to 259,664.10, 389,277.45 and 135,005.10 is: 202,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,664.10 : 389,277.45 = 135,005.10 : x
  2. Step 2: Convert to fraction form
    259,664.10/389,277.45 = 135,005.10/x
  3. Step 3: Cross multiply
    259,664.10x = 389,277.45 × 135,005.10
  4. Step 4: Simplify right side
    259,664.10x = 52,554,441,065.00
  5. Step 5: Solve for x
    x = 52,554,441,065.00/259,664.10
  6. Step 6: Final answer
    x = 202,393.94

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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.