Home / 331,574.64-496,972.41-153,707.28

Finding the Fourth Proportional to 331,574.64, 496,972.41 and 153,707.28

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Solution

The fourth proportional to 331,574.64, 496,972.41 and 153,707.28 is: 230,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,574.64 : 496,972.41 = 153,707.28 : x
  2. Step 2: Convert to fraction form
    331,574.64/496,972.41 = 153,707.28/x
  3. Step 3: Cross multiply
    331,574.64x = 496,972.41 × 153,707.28
  4. Step 4: Simplify right side
    331,574.64x = 76,388,277,376.14
  5. Step 5: Solve for x
    x = 76,388,277,376.14/331,574.64
  6. Step 6: Final answer
    x = 230,380.34

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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.