Home / 494,816.64-742,273.56-139,833.36

Finding the Fourth Proportional to 494,816.64, 742,273.56 and 139,833.36

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Solution

The fourth proportional to 494,816.64, 742,273.56 and 139,833.36 is: 209,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,816.64 : 742,273.56 = 139,833.36 : x
  2. Step 2: Convert to fraction form
    494,816.64/742,273.56 = 139,833.36/x
  3. Step 3: Cross multiply
    494,816.64x = 742,273.56 × 139,833.36
  4. Step 4: Simplify right side
    494,816.64x = 103,794,605,933.96
  5. Step 5: Solve for x
    x = 103,794,605,933.96/494,816.64
  6. Step 6: Final answer
    x = 209,763.77

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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.