Home / 259,546.15-389,428.58-141,302.35

Finding the Fourth Proportional to 259,546.15, 389,428.58 and 141,302.35

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Solution

The fourth proportional to 259,546.15, 389,428.58 and 141,302.35 is: 212,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,546.15 : 389,428.58 = 141,302.35 : x
  2. Step 2: Convert to fraction form
    259,546.15/389,428.58 = 141,302.35/x
  3. Step 3: Cross multiply
    259,546.15x = 389,428.58 × 141,302.35
  4. Step 4: Simplify right side
    259,546.15x = 55,027,172,804.65
  5. Step 5: Solve for x
    x = 55,027,172,804.65/259,546.15
  6. Step 6: Final answer
    x = 212,013.06

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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.