Home / 384,136.02-576,189.45-103,660.56

Finding the Fourth Proportional to 384,136.02, 576,189.45 and 103,660.56

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Solution

The fourth proportional to 384,136.02, 576,189.45 and 103,660.56 is: 155,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,136.02 : 576,189.45 = 103,660.56 : x
  2. Step 2: Convert to fraction form
    384,136.02/576,189.45 = 103,660.56/x
  3. Step 3: Cross multiply
    384,136.02x = 576,189.45 × 103,660.56
  4. Step 4: Simplify right side
    384,136.02x = 59,728,121,053.09
  5. Step 5: Solve for x
    x = 59,728,121,053.09/384,136.02
  6. Step 6: Final answer
    x = 155,486.91

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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.