Home / 245,291.09-367,936.64-76,824.60

Finding the Fourth Proportional to 245,291.09, 367,936.64 and 76,824.60

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Solution

The fourth proportional to 245,291.09, 367,936.64 and 76,824.60 is: 115,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,291.09 : 367,936.64 = 76,824.60 : x
  2. Step 2: Convert to fraction form
    245,291.09/367,936.64 = 76,824.60/x
  3. Step 3: Cross multiply
    245,291.09x = 367,936.64 × 76,824.60
  4. Step 4: Simplify right side
    245,291.09x = 28,266,584,779.02
  5. Step 5: Solve for x
    x = 28,266,584,779.02/245,291.09
  6. Step 6: Final answer
    x = 115,236.90

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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.