Home / 227,989.20-341,983.80-209,618.40

Finding the Fourth Proportional to 227,989.20, 341,983.80 and 209,618.40

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Solution

The fourth proportional to 227,989.20, 341,983.80 and 209,618.40 is: 314,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,989.20 : 341,983.80 = 209,618.40 : x
  2. Step 2: Convert to fraction form
    227,989.20/341,983.80 = 209,618.40/x
  3. Step 3: Cross multiply
    227,989.20x = 341,983.80 × 209,618.40
  4. Step 4: Simplify right side
    227,989.20x = 71,686,096,981.92
  5. Step 5: Solve for x
    x = 71,686,096,981.92/227,989.20
  6. Step 6: Final answer
    x = 314,427.60

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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.