Home / 455,218.83-628,202.03-251,269.80

Finding the Fourth Proportional to 455,218.83, 628,202.03 and 251,269.80

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Solution

The fourth proportional to 455,218.83, 628,202.03 and 251,269.80 is: 346,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,218.83 : 628,202.03 = 251,269.80 : x
  2. Step 2: Convert to fraction form
    455,218.83/628,202.03 = 251,269.80/x
  3. Step 3: Cross multiply
    455,218.83x = 628,202.03 × 251,269.80
  4. Step 4: Simplify right side
    455,218.83x = 157,848,197,181.35
  5. Step 5: Solve for x
    x = 157,848,197,181.35/455,218.83
  6. Step 6: Final answer
    x = 346,752.35

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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.