Home / 269,555.20-404,368.80-92,017.60

Finding the Fourth Proportional to 269,555.20, 404,368.80 and 92,017.60

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Solution

The fourth proportional to 269,555.20, 404,368.80 and 92,017.60 is: 138,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,555.20 : 404,368.80 = 92,017.60 : x
  2. Step 2: Convert to fraction form
    269,555.20/404,368.80 = 92,017.60/x
  3. Step 3: Cross multiply
    269,555.20x = 404,368.80 × 92,017.60
  4. Step 4: Simplify right side
    269,555.20x = 37,209,046,490.88
  5. Step 5: Solve for x
    x = 37,209,046,490.88/269,555.20
  6. Step 6: Final answer
    x = 138,038.69

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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.