Home / 269,317.32-403,979.48-129,043.12

Finding the Fourth Proportional to 269,317.32, 403,979.48 and 129,043.12

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Solution

The fourth proportional to 269,317.32, 403,979.48 and 129,043.12 is: 193,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,317.32 : 403,979.48 = 129,043.12 : x
  2. Step 2: Convert to fraction form
    269,317.32/403,979.48 = 129,043.12/x
  3. Step 3: Cross multiply
    269,317.32x = 403,979.48 × 129,043.12
  4. Step 4: Simplify right side
    269,317.32x = 52,130,772,515.18
  5. Step 5: Solve for x
    x = 52,130,772,515.18/269,317.32
  6. Step 6: Final answer
    x = 193,566.36

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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.