Home / 340,785.42-470,264.68-187,823.13

Finding the Fourth Proportional to 340,785.42, 470,264.68 and 187,823.13

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Solution

The fourth proportional to 340,785.42, 470,264.68 and 187,823.13 is: 259,185.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,785.42 : 470,264.68 = 187,823.13 : x
  2. Step 2: Convert to fraction form
    340,785.42/470,264.68 = 187,823.13/x
  3. Step 3: Cross multiply
    340,785.42x = 470,264.68 × 187,823.13
  4. Step 4: Simplify right side
    340,785.42x = 88,326,584,126.05
  5. Step 5: Solve for x
    x = 88,326,584,126.05/340,785.42
  6. Step 6: Final answer
    x = 259,185.34

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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.