Home / 238,248.54-328,786.83-130,828.50

Finding the Fourth Proportional to 238,248.54, 328,786.83 and 130,828.50

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Solution

The fourth proportional to 238,248.54, 328,786.83 and 130,828.50 is: 180,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,248.54 : 328,786.83 = 130,828.50 : x
  2. Step 2: Convert to fraction form
    238,248.54/328,786.83 = 130,828.50/x
  3. Step 3: Cross multiply
    238,248.54x = 328,786.83 × 130,828.50
  4. Step 4: Simplify right side
    238,248.54x = 43,014,687,788.66
  5. Step 5: Solve for x
    x = 43,014,687,788.66/238,248.54
  6. Step 6: Final answer
    x = 180,545.44

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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.