Home / 483,334.72-666,983.28-268,488.52

Finding the Fourth Proportional to 483,334.72, 666,983.28 and 268,488.52

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Solution

The fourth proportional to 483,334.72, 666,983.28 and 268,488.52 is: 370,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,334.72 : 666,983.28 = 268,488.52 : x
  2. Step 2: Convert to fraction form
    483,334.72/666,983.28 = 268,488.52/x
  3. Step 3: Cross multiply
    483,334.72x = 666,983.28 × 268,488.52
  4. Step 4: Simplify right side
    483,334.72x = 179,077,353,711.95
  5. Step 5: Solve for x
    x = 179,077,353,711.95/483,334.72
  6. Step 6: Final answer
    x = 370,503.81

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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.