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Finding the Fourth Proportional to 340,777.87, 470,254.27 and 187,815.59

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Solution

The fourth proportional to 340,777.87, 470,254.27 and 187,815.59 is: 259,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,777.87 : 470,254.27 = 187,815.59 : x
  2. Step 2: Convert to fraction form
    340,777.87/470,254.27 = 187,815.59/x
  3. Step 3: Cross multiply
    340,777.87x = 470,254.27 × 187,815.59
  4. Step 4: Simplify right side
    340,777.87x = 88,321,082,464.87
  5. Step 5: Solve for x
    x = 88,321,082,464.87/340,777.87
  6. Step 6: Final answer
    x = 259,174.94

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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.