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Finding the Fourth Proportional to 234,272.48, 351,408.71 and 56,779.49

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Solution

The fourth proportional to 234,272.48, 351,408.71 and 56,779.49 is: 85,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,272.48 : 351,408.71 = 56,779.49 : x
  2. Step 2: Convert to fraction form
    234,272.48/351,408.71 = 56,779.49/x
  3. Step 3: Cross multiply
    234,272.48x = 351,408.71 × 56,779.49
  4. Step 4: Simplify right side
    234,272.48x = 19,952,805,720.26
  5. Step 5: Solve for x
    x = 19,952,805,720.26/234,272.48
  6. Step 6: Final answer
    x = 85,169.23

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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.