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Finding the Fourth Proportional to 567,425.80, 851,069.58 and 146,666.44

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Solution

The fourth proportional to 567,425.80, 851,069.58 and 146,666.44 is: 219,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,425.80 : 851,069.58 = 146,666.44 : x
  2. Step 2: Convert to fraction form
    567,425.80/851,069.58 = 146,666.44/x
  3. Step 3: Cross multiply
    567,425.80x = 851,069.58 × 146,666.44
  4. Step 4: Simplify right side
    567,425.80x = 124,823,345,490.90
  5. Step 5: Solve for x
    x = 124,823,345,490.90/567,425.80
  6. Step 6: Final answer
    x = 219,981.79

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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.