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Finding the Fourth Proportional to 560,323.67, 840,372.51 and 205,216.43

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Solution

The fourth proportional to 560,323.67, 840,372.51 and 205,216.43 is: 307,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,323.67 : 840,372.51 = 205,216.43 : x
  2. Step 2: Convert to fraction form
    560,323.67/840,372.51 = 205,216.43/x
  3. Step 3: Cross multiply
    560,323.67x = 840,372.51 × 205,216.43
  4. Step 4: Simplify right side
    560,323.67x = 172,458,246,372.34
  5. Step 5: Solve for x
    x = 172,458,246,372.34/560,323.67
  6. Step 6: Final answer
    x = 307,783.26

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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.