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Finding the Fourth Proportional to 556,103.72, 834,272.22 and 240,605.48

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Solution

The fourth proportional to 556,103.72, 834,272.22 and 240,605.48 is: 360,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,103.72 : 834,272.22 = 240,605.48 : x
  2. Step 2: Convert to fraction form
    556,103.72/834,272.22 = 240,605.48/x
  3. Step 3: Cross multiply
    556,103.72x = 834,272.22 × 240,605.48
  4. Step 4: Simplify right side
    556,103.72x = 200,730,467,943.77
  5. Step 5: Solve for x
    x = 200,730,467,943.77/556,103.72
  6. Step 6: Final answer
    x = 360,958.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.