Home / 259,346.24-388,317.90-134,424.80

Finding the Fourth Proportional to 259,346.24, 388,317.90 and 134,424.80

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Solution

The fourth proportional to 259,346.24, 388,317.90 and 134,424.80 is: 201,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,346.24 : 388,317.90 = 134,424.80 : x
  2. Step 2: Convert to fraction form
    259,346.24/388,317.90 = 134,424.80/x
  3. Step 3: Cross multiply
    259,346.24x = 388,317.90 × 134,424.80
  4. Step 4: Simplify right side
    259,346.24x = 52,199,556,043.92
  5. Step 5: Solve for x
    x = 52,199,556,043.92/259,346.24
  6. Step 6: Final answer
    x = 201,273.62

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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.