Home / 331,626.05-457,717.74-210,743.72

Finding the Fourth Proportional to 331,626.05, 457,717.74 and 210,743.72

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Solution

The fourth proportional to 331,626.05, 457,717.74 and 210,743.72 is: 290,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,626.05 : 457,717.74 = 210,743.72 : x
  2. Step 2: Convert to fraction form
    331,626.05/457,717.74 = 210,743.72/x
  3. Step 3: Cross multiply
    331,626.05x = 457,717.74 × 210,743.72
  4. Step 4: Simplify right side
    331,626.05x = 96,461,140,449.82
  5. Step 5: Solve for x
    x = 96,461,140,449.82/331,626.05
  6. Step 6: Final answer
    x = 290,873.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.