Home / 202,439.20-303,464.40-157,435.60

Finding the Fourth Proportional to 202,439.20, 303,464.40 and 157,435.60

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Solution

The fourth proportional to 202,439.20, 303,464.40 and 157,435.60 is: 236,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,439.20 : 303,464.40 = 157,435.60 : x
  2. Step 2: Convert to fraction form
    202,439.20/303,464.40 = 157,435.60/x
  3. Step 3: Cross multiply
    202,439.20x = 303,464.40 × 157,435.60
  4. Step 4: Simplify right side
    202,439.20x = 47,776,099,892.64
  5. Step 5: Solve for x
    x = 47,776,099,892.64/202,439.20
  6. Step 6: Final answer
    x = 236,002.22

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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.