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Finding the Fourth Proportional to 567,634.36, 851,499.42 and 146,918.20

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Solution

The fourth proportional to 567,634.36, 851,499.42 and 146,918.20 is: 220,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,634.36 : 851,499.42 = 146,918.20 : x
  2. Step 2: Convert to fraction form
    567,634.36/851,499.42 = 146,918.20/x
  3. Step 3: Cross multiply
    567,634.36x = 851,499.42 × 146,918.20
  4. Step 4: Simplify right side
    567,634.36x = 125,100,762,087.44
  5. Step 5: Solve for x
    x = 125,100,762,087.44/567,634.36
  6. Step 6: Final answer
    x = 220,389.69

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1.5x scale

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.