Home / 490,977.20-736,465.80-158,553.20

Finding the Fourth Proportional to 490,977.20, 736,465.80 and 158,553.20

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Solution

The fourth proportional to 490,977.20, 736,465.80 and 158,553.20 is: 237,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,977.20 : 736,465.80 = 158,553.20 : x
  2. Step 2: Convert to fraction form
    490,977.20/736,465.80 = 158,553.20/x
  3. Step 3: Cross multiply
    490,977.20x = 736,465.80 × 158,553.20
  4. Step 4: Simplify right side
    490,977.20x = 116,769,009,280.56
  5. Step 5: Solve for x
    x = 116,769,009,280.56/490,977.20
  6. Step 6: Final answer
    x = 237,829.80

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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.