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Finding the Fourth Proportional to 340,754.59, 470,244.56 and 187,798.36

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Solution

The fourth proportional to 340,754.59, 470,244.56 and 187,798.36 is: 259,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,754.59 : 470,244.56 = 187,798.36 : x
  2. Step 2: Convert to fraction form
    340,754.59/470,244.56 = 187,798.36/x
  3. Step 3: Cross multiply
    340,754.59x = 470,244.56 × 187,798.36
  4. Step 4: Simplify right side
    340,754.59x = 88,311,156,227.93
  5. Step 5: Solve for x
    x = 88,311,156,227.93/340,754.59
  6. Step 6: Final answer
    x = 259,163.51

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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.