Home / 384,138.02-576,192.45-103,662.56

Finding the Fourth Proportional to 384,138.02, 576,192.45 and 103,662.56

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Solution

The fourth proportional to 384,138.02, 576,192.45 and 103,662.56 is: 155,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,138.02 : 576,192.45 = 103,662.56 : x
  2. Step 2: Convert to fraction form
    384,138.02/576,192.45 = 103,662.56/x
  3. Step 3: Cross multiply
    384,138.02x = 576,192.45 × 103,662.56
  4. Step 4: Simplify right side
    384,138.02x = 59,729,584,419.67
  5. Step 5: Solve for x
    x = 59,729,584,419.67/384,138.02
  6. Step 6: Final answer
    x = 155,489.91

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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.