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Finding the Fourth Proportional to 567,111.40, 851,055.90 and 251,794.60

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Solution

The fourth proportional to 567,111.40, 851,055.90 and 251,794.60 is: 377,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,111.40 : 851,055.90 = 251,794.60 : x
  2. Step 2: Convert to fraction form
    567,111.40/851,055.90 = 251,794.60/x
  3. Step 3: Cross multiply
    567,111.40x = 851,055.90 × 251,794.60
  4. Step 4: Simplify right side
    567,111.40x = 214,291,279,918.14
  5. Step 5: Solve for x
    x = 214,291,279,918.14/567,111.40
  6. Step 6: Final answer
    x = 377,864.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.