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Finding the Fourth Proportional to 238,325.04, 357,638.22 and 133,212.96

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Solution

The fourth proportional to 238,325.04, 357,638.22 and 133,212.96 is: 199,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,325.04 : 357,638.22 = 133,212.96 : x
  2. Step 2: Convert to fraction form
    238,325.04/357,638.22 = 133,212.96/x
  3. Step 3: Cross multiply
    238,325.04x = 357,638.22 × 133,212.96
  4. Step 4: Simplify right side
    238,325.04x = 47,642,045,895.33
  5. Step 5: Solve for x
    x = 47,642,045,895.33/238,325.04
  6. Step 6: Final answer
    x = 199,903.65

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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.