Home / 297,719.28-448,564.76-269,289.12

Finding the Fourth Proportional to 297,719.28, 448,564.76 and 269,289.12

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Solution

The fourth proportional to 297,719.28, 448,564.76 and 269,289.12 is: 405,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,719.28 : 448,564.76 = 269,289.12 : x
  2. Step 2: Convert to fraction form
    297,719.28/448,564.76 = 269,289.12/x
  3. Step 3: Cross multiply
    297,719.28x = 448,564.76 × 269,289.12
  4. Step 4: Simplify right side
    297,719.28x = 120,793,609,483.41
  5. Step 5: Solve for x
    x = 120,793,609,483.41/297,719.28
  6. Step 6: Final answer
    x = 405,729.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.