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Finding the Fourth Proportional to 223,101.15, 334,652.40 and 156,837.75

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Solution

The fourth proportional to 223,101.15, 334,652.40 and 156,837.75 is: 235,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,101.15 : 334,652.40 = 156,837.75 : x
  2. Step 2: Convert to fraction form
    223,101.15/334,652.40 = 156,837.75/x
  3. Step 3: Cross multiply
    223,101.15x = 334,652.40 × 156,837.75
  4. Step 4: Simplify right side
    223,101.15x = 52,486,129,448.10
  5. Step 5: Solve for x
    x = 52,486,129,448.10/223,101.15
  6. Step 6: Final answer
    x = 235,257.10

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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.