Home / 643,028.02-964,542.43-163,291.75

Finding the Fourth Proportional to 643,028.02, 964,542.43 and 163,291.75

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Solution

The fourth proportional to 643,028.02, 964,542.43 and 163,291.75 is: 244,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,028.02 : 964,542.43 = 163,291.75 : x
  2. Step 2: Convert to fraction form
    643,028.02/964,542.43 = 163,291.75/x
  3. Step 3: Cross multiply
    643,028.02x = 964,542.43 × 163,291.75
  4. Step 4: Simplify right side
    643,028.02x = 157,501,819,136.71
  5. Step 5: Solve for x
    x = 157,501,819,136.71/643,028.02
  6. Step 6: Final answer
    x = 244,937.72

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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.