Home / 238,083.17-328,558.77-130,663.20

Finding the Fourth Proportional to 238,083.17, 328,558.77 and 130,663.20

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Solution

The fourth proportional to 238,083.17, 328,558.77 and 130,663.20 is: 180,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,083.17 : 328,558.77 = 130,663.20 : x
  2. Step 2: Convert to fraction form
    238,083.17/328,558.77 = 130,663.20/x
  3. Step 3: Cross multiply
    238,083.17x = 328,558.77 × 130,663.20
  4. Step 4: Simplify right side
    238,083.17x = 42,930,540,276.26
  5. Step 5: Solve for x
    x = 42,930,540,276.26/238,083.17
  6. Step 6: Final answer
    x = 180,317.41

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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.