Home / 492,723.60-739,279.80-193,153.20

Finding the Fourth Proportional to 492,723.60, 739,279.80 and 193,153.20

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Solution

The fourth proportional to 492,723.60, 739,279.80 and 193,153.20 is: 289,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,723.60 : 739,279.80 = 193,153.20 : x
  2. Step 2: Convert to fraction form
    492,723.60/739,279.80 = 193,153.20/x
  3. Step 3: Cross multiply
    492,723.60x = 739,279.80 × 193,153.20
  4. Step 4: Simplify right side
    492,723.60x = 142,794,259,065.36
  5. Step 5: Solve for x
    x = 142,794,259,065.36/492,723.60
  6. Step 6: Final answer
    x = 289,806.01

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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.