Home / 817,150.41-1,225,721.51-209,938.06

Finding the Fourth Proportional to 817,150.41, 1,225,721.51 and 209,938.06

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Solution

The fourth proportional to 817,150.41, 1,225,721.51 and 209,938.06 is: 314,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,150.41 : 1,225,721.51 = 209,938.06 : x
  2. Step 2: Convert to fraction form
    817,150.41/1,225,721.51 = 209,938.06/x
  3. Step 3: Cross multiply
    817,150.41x = 1,225,721.51 × 209,938.06
  4. Step 4: Simplify right side
    817,150.41x = 257,325,597,179.40
  5. Step 5: Solve for x
    x = 257,325,597,179.40/817,150.41
  6. Step 6: Final answer
    x = 314,906.04

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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.