Home / 227,557.20-341,335.80-143,576.40

Finding the Fourth Proportional to 227,557.20, 341,335.80 and 143,576.40

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Solution

The fourth proportional to 227,557.20, 341,335.80 and 143,576.40 is: 215,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,557.20 : 341,335.80 = 143,576.40 : x
  2. Step 2: Convert to fraction form
    227,557.20/341,335.80 = 143,576.40/x
  3. Step 3: Cross multiply
    227,557.20x = 341,335.80 × 143,576.40
  4. Step 4: Simplify right side
    227,557.20x = 49,007,765,355.12
  5. Step 5: Solve for x
    x = 49,007,765,355.12/227,557.20
  6. Step 6: Final answer
    x = 215,364.60

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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.