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Finding the Fourth Proportional to 556,131.88, 834,447.04 and 256,451.82

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Solution

The fourth proportional to 556,131.88, 834,447.04 and 256,451.82 is: 384,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,131.88 : 834,447.04 = 256,451.82 : x
  2. Step 2: Convert to fraction form
    556,131.88/834,447.04 = 256,451.82/x
  3. Step 3: Cross multiply
    556,131.88x = 834,447.04 × 256,451.82
  4. Step 4: Simplify right side
    556,131.88x = 213,995,462,101.61
  5. Step 5: Solve for x
    x = 213,995,462,101.61/556,131.88
  6. Step 6: Final answer
    x = 384,792.65

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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.