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Finding the Fourth Proportional to 450,525.78, 675,788.13 and 207,342.36

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Solution

The fourth proportional to 450,525.78, 675,788.13 and 207,342.36 is: 311,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,525.78 : 675,788.13 = 207,342.36 : x
  2. Step 2: Convert to fraction form
    450,525.78/675,788.13 = 207,342.36/x
  3. Step 3: Cross multiply
    450,525.78x = 675,788.13 × 207,342.36
  4. Step 4: Simplify right side
    450,525.78x = 140,119,505,734.19
  5. Step 5: Solve for x
    x = 140,119,505,734.19/450,525.78
  6. Step 6: Final answer
    x = 311,013.29

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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.