Home / 450,339.35-621,351.61-268,971.44

Finding the Fourth Proportional to 450,339.35, 621,351.61 and 268,971.44

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Solution

The fourth proportional to 450,339.35, 621,351.61 and 268,971.44 is: 371,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,339.35 : 621,351.61 = 268,971.44 : x
  2. Step 2: Convert to fraction form
    450,339.35/621,351.61 = 268,971.44/x
  3. Step 3: Cross multiply
    450,339.35x = 621,351.61 × 268,971.44
  4. Step 4: Simplify right side
    450,339.35x = 167,125,833,508.83
  5. Step 5: Solve for x
    x = 167,125,833,508.83/450,339.35
  6. Step 6: Final answer
    x = 371,110.89

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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.