Home / 445,143.96-667,746.60-178,904.76

Finding the Fourth Proportional to 445,143.96, 667,746.60 and 178,904.76

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Solution

The fourth proportional to 445,143.96, 667,746.60 and 178,904.76 is: 268,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,143.96 : 667,746.60 = 178,904.76 : x
  2. Step 2: Convert to fraction form
    445,143.96/667,746.60 = 178,904.76/x
  3. Step 3: Cross multiply
    445,143.96x = 667,746.60 × 178,904.76
  4. Step 4: Simplify right side
    445,143.96x = 119,463,045,213.82
  5. Step 5: Solve for x
    x = 119,463,045,213.82/445,143.96
  6. Step 6: Final answer
    x = 268,369.46

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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.