Home / 259,984.80-390,050.10-110,296.80

Finding the Fourth Proportional to 259,984.80, 390,050.10 and 110,296.80

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Solution

The fourth proportional to 259,984.80, 390,050.10 and 110,296.80 is: 165,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,984.80 : 390,050.10 = 110,296.80 : x
  2. Step 2: Convert to fraction form
    259,984.80/390,050.10 = 110,296.80/x
  3. Step 3: Cross multiply
    259,984.80x = 390,050.10 × 110,296.80
  4. Step 4: Simplify right side
    259,984.80x = 43,021,277,869.68
  5. Step 5: Solve for x
    x = 43,021,277,869.68/259,984.80
  6. Step 6: Final answer
    x = 165,476.13

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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.