Home / 455,859.04-629,057.76-251,905.28

Finding the Fourth Proportional to 455,859.04, 629,057.76 and 251,905.28

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Solution

The fourth proportional to 455,859.04, 629,057.76 and 251,905.28 is: 347,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,859.04 : 629,057.76 = 251,905.28 : x
  2. Step 2: Convert to fraction form
    455,859.04/629,057.76 = 251,905.28/x
  3. Step 3: Cross multiply
    455,859.04x = 629,057.76 × 251,905.28
  4. Step 4: Simplify right side
    455,859.04x = 158,462,971,168.97
  5. Step 5: Solve for x
    x = 158,462,971,168.97/455,859.04
  6. Step 6: Final answer
    x = 347,613.97

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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.