Home / 455,213.12-628,194.16-251,264.11

Finding the Fourth Proportional to 455,213.12, 628,194.16 and 251,264.11

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Solution

The fourth proportional to 455,213.12, 628,194.16 and 251,264.11 is: 346,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,213.12 : 628,194.16 = 251,264.11 : x
  2. Step 2: Convert to fraction form
    455,213.12/628,194.16 = 251,264.11/x
  3. Step 3: Cross multiply
    455,213.12x = 628,194.16 × 251,264.11
  4. Step 4: Simplify right side
    455,213.12x = 157,842,649,974.61
  5. Step 5: Solve for x
    x = 157,842,649,974.61/455,213.12
  6. Step 6: Final answer
    x = 346,744.51

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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.