Home / 266,869.88-368,244.06-159,417.11

Finding the Fourth Proportional to 266,869.88, 368,244.06 and 159,417.11

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Solution

The fourth proportional to 266,869.88, 368,244.06 and 159,417.11 is: 219,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,869.88 : 368,244.06 = 159,417.11 : x
  2. Step 2: Convert to fraction form
    266,869.88/368,244.06 = 159,417.11/x
  3. Step 3: Cross multiply
    266,869.88x = 368,244.06 × 159,417.11
  4. Step 4: Simplify right side
    266,869.88x = 58,704,401,978.65
  5. Step 5: Solve for x
    x = 58,704,401,978.65/266,869.88
  6. Step 6: Final answer
    x = 219,973.88

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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.