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Finding the Fourth Proportional to 401,596.10, 554,161.55 and 240,447

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Solution

The fourth proportional to 401,596.10, 554,161.55 and 240,447 is: 331,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,596.10 : 554,161.55 = 240,447 : x
  2. Step 2: Convert to fraction form
    401,596.10/554,161.55 = 240,447/x
  3. Step 3: Cross multiply
    401,596.10x = 554,161.55 × 240,447
  4. Step 4: Simplify right side
    401,596.10x = 133,246,481,010.62
  5. Step 5: Solve for x
    x = 133,246,481,010.62/401,596.10
  6. Step 6: Final answer
    x = 331,792.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.