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Finding the Fourth Proportional to 223,149.88, 307,592.94 and 218,726.20

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Solution

The fourth proportional to 223,149.88, 307,592.94 and 218,726.20 is: 301,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,149.88 : 307,592.94 = 218,726.20 : x
  2. Step 2: Convert to fraction form
    223,149.88/307,592.94 = 218,726.20/x
  3. Step 3: Cross multiply
    223,149.88x = 307,592.94 × 218,726.20
  4. Step 4: Simplify right side
    223,149.88x = 67,278,634,913.03
  5. Step 5: Solve for x
    x = 67,278,634,913.03/223,149.88
  6. Step 6: Final answer
    x = 301,495.28

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1.5x scale

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.