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Finding the Fourth Proportional to 441,022.32, 608,637.36 and 259,855

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Solution

The fourth proportional to 441,022.32, 608,637.36 and 259,855 is: 358,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,022.32 : 608,637.36 = 259,855 : x
  2. Step 2: Convert to fraction form
    441,022.32/608,637.36 = 259,855/x
  3. Step 3: Cross multiply
    441,022.32x = 608,637.36 × 259,855
  4. Step 4: Simplify right side
    441,022.32x = 158,157,461,182.80
  5. Step 5: Solve for x
    x = 158,157,461,182.80/441,022.32
  6. Step 6: Final answer
    x = 358,615.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.