Home / 712,171.64-1,068,259.39-179,692.63

Finding the Fourth Proportional to 712,171.64, 1,068,259.39 and 179,692.63

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Solution

The fourth proportional to 712,171.64, 1,068,259.39 and 179,692.63 is: 269,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,171.64 : 1,068,259.39 = 179,692.63 : x
  2. Step 2: Convert to fraction form
    712,171.64/1,068,259.39 = 179,692.63/x
  3. Step 3: Cross multiply
    712,171.64x = 1,068,259.39 × 179,692.63
  4. Step 4: Simplify right side
    712,171.64x = 191,958,336,191.42
  5. Step 5: Solve for x
    x = 191,958,336,191.42/712,171.64
  6. Step 6: Final answer
    x = 269,539.43

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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.