Home / 486,126.82-670,855.05-268,335.55

Finding the Fourth Proportional to 486,126.82, 670,855.05 and 268,335.55

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Solution

The fourth proportional to 486,126.82, 670,855.05 and 268,335.55 is: 370,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,126.82 : 670,855.05 = 268,335.55 : x
  2. Step 2: Convert to fraction form
    486,126.82/670,855.05 = 268,335.55/x
  3. Step 3: Cross multiply
    486,126.82x = 670,855.05 × 268,335.55
  4. Step 4: Simplify right side
    486,126.82x = 180,014,257,805.73
  5. Step 5: Solve for x
    x = 180,014,257,805.73/486,126.82
  6. Step 6: Final answer
    x = 370,303.08

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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.