Home / 268,067.22-399,162.60-258,488.16

Finding the Fourth Proportional to 268,067.22, 399,162.60 and 258,488.16

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Solution

The fourth proportional to 268,067.22, 399,162.60 and 258,488.16 is: 384,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,067.22 : 399,162.60 = 258,488.16 : x
  2. Step 2: Convert to fraction form
    268,067.22/399,162.60 = 258,488.16/x
  3. Step 3: Cross multiply
    268,067.22x = 399,162.60 × 258,488.16
  4. Step 4: Simplify right side
    268,067.22x = 103,178,806,014.82
  5. Step 5: Solve for x
    x = 103,178,806,014.82/268,067.22
  6. Step 6: Final answer
    x = 384,899.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.