Home / 451,637.20-677,718.23-202,319.20

Finding the Fourth Proportional to 451,637.20, 677,718.23 and 202,319.20

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Solution

The fourth proportional to 451,637.20, 677,718.23 and 202,319.20 is: 303,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,637.20 : 677,718.23 = 202,319.20 : x
  2. Step 2: Convert to fraction form
    451,637.20/677,718.23 = 202,319.20/x
  3. Step 3: Cross multiply
    451,637.20x = 677,718.23 × 202,319.20
  4. Step 4: Simplify right side
    451,637.20x = 137,115,410,119.02
  5. Step 5: Solve for x
    x = 137,115,410,119.02/451,637.20
  6. Step 6: Final answer
    x = 303,596.36

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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.