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Finding the Fourth Proportional to 579,314.97, 869,010.73 and 200,272.34

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Solution

The fourth proportional to 579,314.97, 869,010.73 and 200,272.34 is: 300,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,314.97 : 869,010.73 = 200,272.34 : x
  2. Step 2: Convert to fraction form
    579,314.97/869,010.73 = 200,272.34/x
  3. Step 3: Cross multiply
    579,314.97x = 869,010.73 × 200,272.34
  4. Step 4: Simplify right side
    579,314.97x = 174,038,814,054.05
  5. Step 5: Solve for x
    x = 174,038,814,054.05/579,314.97
  6. Step 6: Final answer
    x = 300,421.74

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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.