Home / 331,521.15-457,483.28-188,262.27

Finding the Fourth Proportional to 331,521.15, 457,483.28 and 188,262.27

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Solution

The fourth proportional to 331,521.15, 457,483.28 and 188,262.27 is: 259,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,521.15 : 457,483.28 = 188,262.27 : x
  2. Step 2: Convert to fraction form
    331,521.15/457,483.28 = 188,262.27/x
  3. Step 3: Cross multiply
    331,521.15x = 457,483.28 × 188,262.27
  4. Step 4: Simplify right side
    331,521.15x = 86,126,839,838.53
  5. Step 5: Solve for x
    x = 86,126,839,838.53/331,521.15
  6. Step 6: Final answer
    x = 259,792.90

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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.