Home / 450,010.20-673,921.80-239,183.40

Finding the Fourth Proportional to 450,010.20, 673,921.80 and 239,183.40

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Solution

The fourth proportional to 450,010.20, 673,921.80 and 239,183.40 is: 358,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,010.20 : 673,921.80 = 239,183.40 : x
  2. Step 2: Convert to fraction form
    450,010.20/673,921.80 = 239,183.40/x
  3. Step 3: Cross multiply
    450,010.20x = 673,921.80 × 239,183.40
  4. Step 4: Simplify right side
    450,010.20x = 161,190,907,458.12
  5. Step 5: Solve for x
    x = 161,190,907,458.12/450,010.20
  6. Step 6: Final answer
    x = 358,193.90

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1.5x scale

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.