Home / 238,262.67-328,786.22-130,839.66

Finding the Fourth Proportional to 238,262.67, 328,786.22 and 130,839.66

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Solution

The fourth proportional to 238,262.67, 328,786.22 and 130,839.66 is: 180,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,262.67 : 328,786.22 = 130,839.66 : x
  2. Step 2: Convert to fraction form
    238,262.67/328,786.22 = 130,839.66/x
  3. Step 3: Cross multiply
    238,262.67x = 328,786.22 × 130,839.66
  4. Step 4: Simplify right side
    238,262.67x = 43,018,277,564.58
  5. Step 5: Solve for x
    x = 43,018,277,564.58/238,262.67
  6. Step 6: Final answer
    x = 180,549.80

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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.