Home / 331,199.82-457,115.40-195,225.72

Finding the Fourth Proportional to 331,199.82, 457,115.40 and 195,225.72

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Solution

The fourth proportional to 331,199.82, 457,115.40 and 195,225.72 is: 269,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,199.82 : 457,115.40 = 195,225.72 : x
  2. Step 2: Convert to fraction form
    331,199.82/457,115.40 = 195,225.72/x
  3. Step 3: Cross multiply
    331,199.82x = 457,115.40 × 195,225.72
  4. Step 4: Simplify right side
    331,199.82x = 89,240,683,088.09
  5. Step 5: Solve for x
    x = 89,240,683,088.09/331,199.82
  6. Step 6: Final answer
    x = 269,446.65

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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.