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Finding the Fourth Proportional to 340,752.46, 470,241.61 and 187,796.24

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Solution

The fourth proportional to 340,752.46, 470,241.61 and 187,796.24 is: 259,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,752.46 : 470,241.61 = 187,796.24 : x
  2. Step 2: Convert to fraction form
    340,752.46/470,241.61 = 187,796.24/x
  3. Step 3: Cross multiply
    340,752.46x = 470,241.61 × 187,796.24
  4. Step 4: Simplify right side
    340,752.46x = 88,309,606,249.55
  5. Step 5: Solve for x
    x = 88,309,606,249.55/340,752.46
  6. Step 6: Final answer
    x = 259,160.58

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1.5x scale

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.