Home / 394,289.02-544,105.87-249,172.36

Finding the Fourth Proportional to 394,289.02, 544,105.87 and 249,172.36

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Solution

The fourth proportional to 394,289.02, 544,105.87 and 249,172.36 is: 343,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,289.02 : 544,105.87 = 249,172.36 : x
  2. Step 2: Convert to fraction form
    394,289.02/544,105.87 = 249,172.36/x
  3. Step 3: Cross multiply
    394,289.02x = 544,105.87 × 249,172.36
  4. Step 4: Simplify right side
    394,289.02x = 135,576,143,717.75
  5. Step 5: Solve for x
    x = 135,576,143,717.75/394,289.02
  6. Step 6: Final answer
    x = 343,849.66

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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.