Home / 492,722.60-739,278.30-193,152.20

Finding the Fourth Proportional to 492,722.60, 739,278.30 and 193,152.20

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Solution

The fourth proportional to 492,722.60, 739,278.30 and 193,152.20 is: 289,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,722.60 : 739,278.30 = 193,152.20 : x
  2. Step 2: Convert to fraction form
    492,722.60/739,278.30 = 193,152.20/x
  3. Step 3: Cross multiply
    492,722.60x = 739,278.30 × 193,152.20
  4. Step 4: Simplify right side
    492,722.60x = 142,793,230,057.26
  5. Step 5: Solve for x
    x = 142,793,230,057.26/492,722.60
  6. Step 6: Final answer
    x = 289,804.51

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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.