Home / 228,899.56-343,334.30-79,105

Finding the Fourth Proportional to 228,899.56, 343,334.30 and 79,105

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Solution

The fourth proportional to 228,899.56, 343,334.30 and 79,105 is: 118,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,899.56 : 343,334.30 = 79,105 : x
  2. Step 2: Convert to fraction form
    228,899.56/343,334.30 = 79,105/x
  3. Step 3: Cross multiply
    228,899.56x = 343,334.30 × 79,105
  4. Step 4: Simplify right side
    228,899.56x = 27,159,459,801.50
  5. Step 5: Solve for x
    x = 27,159,459,801.50/228,899.56
  6. Step 6: Final answer
    x = 118,652.30

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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.