Home / 340,757.81-470,249.03-187,801.55

Finding the Fourth Proportional to 340,757.81, 470,249.03 and 187,801.55

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Solution

The fourth proportional to 340,757.81, 470,249.03 and 187,801.55 is: 259,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,757.81 : 470,249.03 = 187,801.55 : x
  2. Step 2: Convert to fraction form
    340,757.81/470,249.03 = 187,801.55/x
  3. Step 3: Cross multiply
    340,757.81x = 470,249.03 × 187,801.55
  4. Step 4: Simplify right side
    340,757.81x = 88,313,494,838.26
  5. Step 5: Solve for x
    x = 88,313,494,838.26/340,757.81
  6. Step 6: Final answer
    x = 259,167.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.