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Finding the Fourth Proportional to 479,677.22, 719,390.48 and 142,627.11

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Solution

The fourth proportional to 479,677.22, 719,390.48 and 142,627.11 is: 213,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,677.22 : 719,390.48 = 142,627.11 : x
  2. Step 2: Convert to fraction form
    479,677.22/719,390.48 = 142,627.11/x
  3. Step 3: Cross multiply
    479,677.22x = 719,390.48 × 142,627.11
  4. Step 4: Simplify right side
    479,677.22x = 102,604,584,410.78
  5. Step 5: Solve for x
    x = 102,604,584,410.78/479,677.22
  6. Step 6: Final answer
    x = 213,903.39

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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.