Home / 340,824.74-470,316.89-187,864.13

Finding the Fourth Proportional to 340,824.74, 470,316.89 and 187,864.13

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Solution

The fourth proportional to 340,824.74, 470,316.89 and 187,864.13 is: 259,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,824.74 : 470,316.89 = 187,864.13 : x
  2. Step 2: Convert to fraction form
    340,824.74/470,316.89 = 187,864.13/x
  3. Step 3: Cross multiply
    340,824.74x = 470,316.89 × 187,864.13
  4. Step 4: Simplify right side
    340,824.74x = 88,355,670,073.25
  5. Step 5: Solve for x
    x = 88,355,670,073.25/340,824.74
  6. Step 6: Final answer
    x = 259,240.78

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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.