Home / 247,209.30-370,826.10-129,111.30

Finding the Fourth Proportional to 247,209.30, 370,826.10 and 129,111.30

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Solution

The fourth proportional to 247,209.30, 370,826.10 and 129,111.30 is: 193,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,209.30 : 370,826.10 = 129,111.30 : x
  2. Step 2: Convert to fraction form
    247,209.30/370,826.10 = 129,111.30/x
  3. Step 3: Cross multiply
    247,209.30x = 370,826.10 × 129,111.30
  4. Step 4: Simplify right side
    247,209.30x = 47,877,839,844.93
  5. Step 5: Solve for x
    x = 47,877,839,844.93/247,209.30
  6. Step 6: Final answer
    x = 193,673.30

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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.