Home / 340,834.79-470,330.59-187,864.56

Finding the Fourth Proportional to 340,834.79, 470,330.59 and 187,864.56

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Solution

The fourth proportional to 340,834.79, 470,330.59 and 187,864.56 is: 259,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,834.79 : 470,330.59 = 187,864.56 : x
  2. Step 2: Convert to fraction form
    340,834.79/470,330.59 = 187,864.56/x
  3. Step 3: Cross multiply
    340,834.79x = 470,330.59 × 187,864.56
  4. Step 4: Simplify right side
    340,834.79x = 88,358,449,344.89
  5. Step 5: Solve for x
    x = 88,358,449,344.89/340,834.79
  6. Step 6: Final answer
    x = 259,241.29

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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.