Home / 238,789.05-358,046.20-142,822.12

Finding the Fourth Proportional to 238,789.05, 358,046.20 and 142,822.12

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Solution

The fourth proportional to 238,789.05, 358,046.20 and 142,822.12 is: 214,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,789.05 : 358,046.20 = 142,822.12 : x
  2. Step 2: Convert to fraction form
    238,789.05/358,046.20 = 142,822.12/x
  3. Step 3: Cross multiply
    238,789.05x = 358,046.20 × 142,822.12
  4. Step 4: Simplify right side
    238,789.05x = 51,136,917,341.94
  5. Step 5: Solve for x
    x = 51,136,917,341.94/238,789.05
  6. Step 6: Final answer
    x = 214,151.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.