Home / 269,913.09-405,009.78-110,106.30

Finding the Fourth Proportional to 269,913.09, 405,009.78 and 110,106.30

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Solution

The fourth proportional to 269,913.09, 405,009.78 and 110,106.30 is: 165,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,913.09 : 405,009.78 = 110,106.30 : x
  2. Step 2: Convert to fraction form
    269,913.09/405,009.78 = 110,106.30/x
  3. Step 3: Cross multiply
    269,913.09x = 405,009.78 × 110,106.30
  4. Step 4: Simplify right side
    269,913.09x = 44,594,128,339.61
  5. Step 5: Solve for x
    x = 44,594,128,339.61/269,913.09
  6. Step 6: Final answer
    x = 165,216.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.