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Finding the Fourth Proportional to 372,977, 514,701.72 and 203,212.32

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Solution

The fourth proportional to 372,977, 514,701.72 and 203,212.32 is: 280,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,977 : 514,701.72 = 203,212.32 : x
  2. Step 2: Convert to fraction form
    372,977/514,701.72 = 203,212.32/x
  3. Step 3: Cross multiply
    372,977x = 514,701.72 × 203,212.32
  4. Step 4: Simplify right side
    372,977x = 104,593,730,629.19
  5. Step 5: Solve for x
    x = 104,593,730,629.19/372,977
  6. Step 6: Final answer
    x = 280,429.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.