Home / 236,823.54-355,230.30-76,899.30

Finding the Fourth Proportional to 236,823.54, 355,230.30 and 76,899.30

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Solution

The fourth proportional to 236,823.54, 355,230.30 and 76,899.30 is: 115,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,823.54 : 355,230.30 = 76,899.30 : x
  2. Step 2: Convert to fraction form
    236,823.54/355,230.30 = 76,899.30/x
  3. Step 3: Cross multiply
    236,823.54x = 355,230.30 × 76,899.30
  4. Step 4: Simplify right side
    236,823.54x = 27,316,961,408.79
  5. Step 5: Solve for x
    x = 27,316,961,408.79/236,823.54
  6. Step 6: Final answer
    x = 115,347.32

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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.