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Finding the Fourth Proportional to 70,254.63, 105,358.14 and 22,858.02

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Solution

The fourth proportional to 70,254.63, 105,358.14 and 22,858.02 is: 34,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,254.63 : 105,358.14 = 22,858.02 : x
  2. Step 2: Convert to fraction form
    70,254.63/105,358.14 = 22,858.02/x
  3. Step 3: Cross multiply
    70,254.63x = 105,358.14 × 22,858.02
  4. Step 4: Simplify right side
    70,254.63x = 2,408,278,471.28
  5. Step 5: Solve for x
    x = 2,408,278,471.28/70,254.63
  6. Step 6: Final answer
    x = 34,279.28

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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.