Home / 455,004.20-627,909.17-251,062.66

Finding the Fourth Proportional to 455,004.20, 627,909.17 and 251,062.66

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Solution

The fourth proportional to 455,004.20, 627,909.17 and 251,062.66 is: 346,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,004.20 : 627,909.17 = 251,062.66 : x
  2. Step 2: Convert to fraction form
    455,004.20/627,909.17 = 251,062.66/x
  3. Step 3: Cross multiply
    455,004.20x = 627,909.17 × 251,062.66
  4. Step 4: Simplify right side
    455,004.20x = 157,644,543,633.51
  5. Step 5: Solve for x
    x = 157,644,543,633.51/455,004.20
  6. Step 6: Final answer
    x = 346,468.32

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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.