Home / 331,290.74-457,061.14-187,967.77

Finding the Fourth Proportional to 331,290.74, 457,061.14 and 187,967.77

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Solution

The fourth proportional to 331,290.74, 457,061.14 and 187,967.77 is: 259,327.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,290.74 : 457,061.14 = 187,967.77 : x
  2. Step 2: Convert to fraction form
    331,290.74/457,061.14 = 187,967.77/x
  3. Step 3: Cross multiply
    331,290.74x = 457,061.14 × 187,967.77
  4. Step 4: Simplify right side
    331,290.74x = 85,912,763,239.46
  5. Step 5: Solve for x
    x = 85,912,763,239.46/331,290.74
  6. Step 6: Final answer
    x = 259,327.39

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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.