Home / 455,120.60-628,073.06-251,181.02

Finding the Fourth Proportional to 455,120.60, 628,073.06 and 251,181.02

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Solution

The fourth proportional to 455,120.60, 628,073.06 and 251,181.02 is: 346,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,120.60 : 628,073.06 = 251,181.02 : x
  2. Step 2: Convert to fraction form
    455,120.60/628,073.06 = 251,181.02/x
  3. Step 3: Cross multiply
    455,120.60x = 628,073.06 × 251,181.02
  4. Step 4: Simplify right side
    455,120.60x = 157,760,032,159.60
  5. Step 5: Solve for x
    x = 157,760,032,159.60/455,120.60
  6. Step 6: Final answer
    x = 346,633.47

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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.