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Finding the Fourth Proportional to 223,341.39, 308,259.72 and 137,374.26

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Solution

The fourth proportional to 223,341.39, 308,259.72 and 137,374.26 is: 189,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,341.39 : 308,259.72 = 137,374.26 : x
  2. Step 2: Convert to fraction form
    223,341.39/308,259.72 = 137,374.26/x
  3. Step 3: Cross multiply
    223,341.39x = 308,259.72 × 137,374.26
  4. Step 4: Simplify right side
    223,341.39x = 42,346,950,922.81
  5. Step 5: Solve for x
    x = 42,346,950,922.81/223,341.39
  6. Step 6: Final answer
    x = 189,606.37

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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.