Home / 352,989.14-487,128.78-191,844.20

Finding the Fourth Proportional to 352,989.14, 487,128.78 and 191,844.20

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Solution

The fourth proportional to 352,989.14, 487,128.78 and 191,844.20 is: 264,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,989.14 : 487,128.78 = 191,844.20 : x
  2. Step 2: Convert to fraction form
    352,989.14/487,128.78 = 191,844.20/x
  3. Step 3: Cross multiply
    352,989.14x = 487,128.78 × 191,844.20
  4. Step 4: Simplify right side
    352,989.14x = 93,452,828,660.43
  5. Step 5: Solve for x
    x = 93,452,828,660.43/352,989.14
  6. Step 6: Final answer
    x = 264,747.04

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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.