Home / 238,279.11-357,313.64-111,955.29

Finding the Fourth Proportional to 238,279.11, 357,313.64 and 111,955.29

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Solution

The fourth proportional to 238,279.11, 357,313.64 and 111,955.29 is: 167,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,279.11 : 357,313.64 = 111,955.29 : x
  2. Step 2: Convert to fraction form
    238,279.11/357,313.64 = 111,955.29/x
  3. Step 3: Cross multiply
    238,279.11x = 357,313.64 × 111,955.29
  4. Step 4: Simplify right side
    238,279.11x = 40,003,151,627.38
  5. Step 5: Solve for x
    x = 40,003,151,627.38/238,279.11
  6. Step 6: Final answer
    x = 167,883.59

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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.