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Finding the Fourth Proportional to 333,895.23, 501,007.28 and 156,371.58

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Solution

The fourth proportional to 333,895.23, 501,007.28 and 156,371.58 is: 234,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,895.23 : 501,007.28 = 156,371.58 : x
  2. Step 2: Convert to fraction form
    333,895.23/501,007.28 = 156,371.58/x
  3. Step 3: Cross multiply
    333,895.23x = 501,007.28 × 156,371.58
  4. Step 4: Simplify right side
    333,895.23x = 78,343,299,183.24
  5. Step 5: Solve for x
    x = 78,343,299,183.24/333,895.23
  6. Step 6: Final answer
    x = 234,634.38

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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.