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Finding the Fourth Proportional to 269,593.20, 404,681.40 and 151,495.20

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Solution

The fourth proportional to 269,593.20, 404,681.40 and 151,495.20 is: 227,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,593.20 : 404,681.40 = 151,495.20 : x
  2. Step 2: Convert to fraction form
    269,593.20/404,681.40 = 151,495.20/x
  3. Step 3: Cross multiply
    269,593.20x = 404,681.40 × 151,495.20
  4. Step 4: Simplify right side
    269,593.20x = 61,307,289,629.28
  5. Step 5: Solve for x
    x = 61,307,289,629.28/269,593.20
  6. Step 6: Final answer
    x = 227,406.66

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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.