Home / 269,743.10-404,776.65-111,955.10

Finding the Fourth Proportional to 269,743.10, 404,776.65 and 111,955.10

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Solution

The fourth proportional to 269,743.10, 404,776.65 and 111,955.10 is: 167,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,743.10 : 404,776.65 = 111,955.10 : x
  2. Step 2: Convert to fraction form
    269,743.10/404,776.65 = 111,955.10/x
  3. Step 3: Cross multiply
    269,743.10x = 404,776.65 × 111,955.10
  4. Step 4: Simplify right side
    269,743.10x = 45,316,810,328.42
  5. Step 5: Solve for x
    x = 45,316,810,328.42/269,743.10
  6. Step 6: Final answer
    x = 167,999.89

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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.