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Finding the Fourth Proportional to 445,881.36, 668,844 and 179,605.92

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Solution

The fourth proportional to 445,881.36, 668,844 and 179,605.92 is: 269,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,881.36 : 668,844 = 179,605.92 : x
  2. Step 2: Convert to fraction form
    445,881.36/668,844 = 179,605.92/x
  3. Step 3: Cross multiply
    445,881.36x = 668,844 × 179,605.92
  4. Step 4: Simplify right side
    445,881.36x = 120,128,341,956.48
  5. Step 5: Solve for x
    x = 120,128,341,956.48/445,881.36
  6. Step 6: Final answer
    x = 269,417.73

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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.