Home / 340,819.23-470,357.66-187,884.63

Finding the Fourth Proportional to 340,819.23, 470,357.66 and 187,884.63

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Solution

The fourth proportional to 340,819.23, 470,357.66 and 187,884.63 is: 259,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,819.23 : 470,357.66 = 187,884.63 : x
  2. Step 2: Convert to fraction form
    340,819.23/470,357.66 = 187,884.63/x
  3. Step 3: Cross multiply
    340,819.23x = 470,357.66 × 187,884.63
  4. Step 4: Simplify right side
    340,819.23x = 88,372,973,977.34
  5. Step 5: Solve for x
    x = 88,372,973,977.34/340,819.23
  6. Step 6: Final answer
    x = 259,295.74

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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.