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Finding the Fourth Proportional to 323,590.41, 485,385.26 and 150,464.97

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Solution

The fourth proportional to 323,590.41, 485,385.26 and 150,464.97 is: 225,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,590.41 : 485,385.26 = 150,464.97 : x
  2. Step 2: Convert to fraction form
    323,590.41/485,385.26 = 150,464.97/x
  3. Step 3: Cross multiply
    323,590.41x = 485,385.26 × 150,464.97
  4. Step 4: Simplify right side
    323,590.41x = 73,033,477,832.02
  5. Step 5: Solve for x
    x = 73,033,477,832.02/323,590.41
  6. Step 6: Final answer
    x = 225,697.29

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1.5x scale

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.