Home / 269,322.30-403,497.45-128,771.10

Finding the Fourth Proportional to 269,322.30, 403,497.45 and 128,771.10

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Solution

The fourth proportional to 269,322.30, 403,497.45 and 128,771.10 is: 192,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,322.30 : 403,497.45 = 128,771.10 : x
  2. Step 2: Convert to fraction form
    269,322.30/403,497.45 = 128,771.10/x
  3. Step 3: Cross multiply
    269,322.30x = 403,497.45 × 128,771.10
  4. Step 4: Simplify right side
    269,322.30x = 51,958,810,483.70
  5. Step 5: Solve for x
    x = 51,958,810,483.70/269,322.30
  6. Step 6: Final answer
    x = 192,924.28

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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.