Home / 455,788.79-629,018.15-251,839.73

Finding the Fourth Proportional to 455,788.79, 629,018.15 and 251,839.73

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Solution

The fourth proportional to 455,788.79, 629,018.15 and 251,839.73 is: 347,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,788.79 : 629,018.15 = 251,839.73 : x
  2. Step 2: Convert to fraction form
    455,788.79/629,018.15 = 251,839.73/x
  3. Step 3: Cross multiply
    455,788.79x = 629,018.15 × 251,839.73
  4. Step 4: Simplify right side
    455,788.79x = 158,411,761,061.10
  5. Step 5: Solve for x
    x = 158,411,761,061.10/455,788.79
  6. Step 6: Final answer
    x = 347,555.20

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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.