Home / 307,719.08-424,317.56-200,089.52

Finding the Fourth Proportional to 307,719.08, 424,317.56 and 200,089.52

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Solution

The fourth proportional to 307,719.08, 424,317.56 and 200,089.52 is: 275,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,719.08 : 424,317.56 = 200,089.52 : x
  2. Step 2: Convert to fraction form
    307,719.08/424,317.56 = 200,089.52/x
  3. Step 3: Cross multiply
    307,719.08x = 424,317.56 × 200,089.52
  4. Step 4: Simplify right side
    307,719.08x = 84,901,496,907.97
  5. Step 5: Solve for x
    x = 84,901,496,907.97/307,719.08
  6. Step 6: Final answer
    x = 275,905.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.