Home / 455,818.36-629,029.13-251,867.50

Finding the Fourth Proportional to 455,818.36, 629,029.13 and 251,867.50

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Solution

The fourth proportional to 455,818.36, 629,029.13 and 251,867.50 is: 347,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,818.36 : 629,029.13 = 251,867.50 : x
  2. Step 2: Convert to fraction form
    455,818.36/629,029.13 = 251,867.50/x
  3. Step 3: Cross multiply
    455,818.36x = 629,029.13 × 251,867.50
  4. Step 4: Simplify right side
    455,818.36x = 158,431,994,400.28
  5. Step 5: Solve for x
    x = 158,431,994,400.28/455,818.36
  6. Step 6: Final answer
    x = 347,577.04

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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.