Home / 259,544.90-389,426.70-141,301.10

Finding the Fourth Proportional to 259,544.90, 389,426.70 and 141,301.10

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Solution

The fourth proportional to 259,544.90, 389,426.70 and 141,301.10 is: 212,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,544.90 : 389,426.70 = 141,301.10 : x
  2. Step 2: Convert to fraction form
    259,544.90/389,426.70 = 141,301.10/x
  3. Step 3: Cross multiply
    259,544.90x = 389,426.70 × 141,301.10
  4. Step 4: Simplify right side
    259,544.90x = 55,026,421,079.37
  5. Step 5: Solve for x
    x = 55,026,421,079.37/259,544.90
  6. Step 6: Final answer
    x = 212,011.18

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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.