Home / 445,731.66-668,590.20-179,485.47

Finding the Fourth Proportional to 445,731.66, 668,590.20 and 179,485.47

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Solution

The fourth proportional to 445,731.66, 668,590.20 and 179,485.47 is: 269,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,731.66 : 668,590.20 = 179,485.47 : x
  2. Step 2: Convert to fraction form
    445,731.66/668,590.20 = 179,485.47/x
  3. Step 3: Cross multiply
    445,731.66x = 668,590.20 × 179,485.47
  4. Step 4: Simplify right side
    445,731.66x = 120,002,226,284.39
  5. Step 5: Solve for x
    x = 120,002,226,284.39/445,731.66
  6. Step 6: Final answer
    x = 269,225.27

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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.