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Finding the Fourth Proportional to 404,605.17, 606,973.46 and 151,905.51

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Solution

The fourth proportional to 404,605.17, 606,973.46 and 151,905.51 is: 227,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,605.17 : 606,973.46 = 151,905.51 : x
  2. Step 2: Convert to fraction form
    404,605.17/606,973.46 = 151,905.51/x
  3. Step 3: Cross multiply
    404,605.17x = 606,973.46 × 151,905.51
  4. Step 4: Simplify right side
    404,605.17x = 92,202,612,238.24
  5. Step 5: Solve for x
    x = 92,202,612,238.24/404,605.17
  6. Step 6: Final answer
    x = 227,882.93

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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.