Home / 239,230.45-330,078.40-154,245.25

Finding the Fourth Proportional to 239,230.45, 330,078.40 and 154,245.25

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Solution

The fourth proportional to 239,230.45, 330,078.40 and 154,245.25 is: 212,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,230.45 : 330,078.40 = 154,245.25 : x
  2. Step 2: Convert to fraction form
    239,230.45/330,078.40 = 154,245.25/x
  3. Step 3: Cross multiply
    239,230.45x = 330,078.40 × 154,245.25
  4. Step 4: Simplify right side
    239,230.45x = 50,913,025,327.60
  5. Step 5: Solve for x
    x = 50,913,025,327.60/239,230.45
  6. Step 6: Final answer
    x = 212,820.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.