Home / 490,269.92-735,442.14-190,621.76

Finding the Fourth Proportional to 490,269.92, 735,442.14 and 190,621.76

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Solution

The fourth proportional to 490,269.92, 735,442.14 and 190,621.76 is: 285,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,269.92 : 735,442.14 = 190,621.76 : x
  2. Step 2: Convert to fraction form
    490,269.92/735,442.14 = 190,621.76/x
  3. Step 3: Cross multiply
    490,269.92x = 735,442.14 × 190,621.76
  4. Step 4: Simplify right side
    490,269.92x = 140,191,275,104.97
  5. Step 5: Solve for x
    x = 140,191,275,104.97/490,269.92
  6. Step 6: Final answer
    x = 285,947.13

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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.