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Finding the Fourth Proportional to 238,117.08, 356,927.22 and 80,291.28

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Solution

The fourth proportional to 238,117.08, 356,927.22 and 80,291.28 is: 120,353.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,117.08 : 356,927.22 = 80,291.28 : x
  2. Step 2: Convert to fraction form
    238,117.08/356,927.22 = 80,291.28/x
  3. Step 3: Cross multiply
    238,117.08x = 356,927.22 × 80,291.28
  4. Step 4: Simplify right side
    238,117.08x = 28,658,143,360.64
  5. Step 5: Solve for x
    x = 28,658,143,360.64/238,117.08
  6. Step 6: Final answer
    x = 120,353.16

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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.