Home / 340,921.05-470,449.38-187,950.89

Finding the Fourth Proportional to 340,921.05, 470,449.38 and 187,950.89

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Solution

The fourth proportional to 340,921.05, 470,449.38 and 187,950.89 is: 259,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,921.05 : 470,449.38 = 187,950.89 : x
  2. Step 2: Convert to fraction form
    340,921.05/470,449.38 = 187,950.89/x
  3. Step 3: Cross multiply
    340,921.05x = 470,449.38 × 187,950.89
  4. Step 4: Simplify right side
    340,921.05x = 88,421,377,318.70
  5. Step 5: Solve for x
    x = 88,421,377,318.70/340,921.05
  6. Step 6: Final answer
    x = 259,360.28

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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.