Home / 340,804.11-470,336.72-187,869.52

Finding the Fourth Proportional to 340,804.11, 470,336.72 and 187,869.52

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Solution

The fourth proportional to 340,804.11, 470,336.72 and 187,869.52 is: 259,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,804.11 : 470,336.72 = 187,869.52 : x
  2. Step 2: Convert to fraction form
    340,804.11/470,336.72 = 187,869.52/x
  3. Step 3: Cross multiply
    340,804.11x = 470,336.72 × 187,869.52
  4. Step 4: Simplify right side
    340,804.11x = 88,361,933,118.61
  5. Step 5: Solve for x
    x = 88,361,933,118.61/340,804.11
  6. Step 6: Final answer
    x = 259,274.85

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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.