Home / 384,453.90-576,637.08-103,949.28

Finding the Fourth Proportional to 384,453.90, 576,637.08 and 103,949.28

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Solution

The fourth proportional to 384,453.90, 576,637.08 and 103,949.28 is: 155,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,453.90 : 576,637.08 = 103,949.28 : x
  2. Step 2: Convert to fraction form
    384,453.90/576,637.08 = 103,949.28/x
  3. Step 3: Cross multiply
    384,453.90x = 576,637.08 × 103,949.28
  4. Step 4: Simplify right side
    384,453.90x = 59,941,009,287.30
  5. Step 5: Solve for x
    x = 59,941,009,287.30/384,453.90
  6. Step 6: Final answer
    x = 155,912.09

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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.