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Finding the Fourth Proportional to 266,891.51, 368,273.94 and 159,438.72

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Solution

The fourth proportional to 266,891.51, 368,273.94 and 159,438.72 is: 220,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,891.51 : 368,273.94 = 159,438.72 : x
  2. Step 2: Convert to fraction form
    266,891.51/368,273.94 = 159,438.72/x
  3. Step 3: Cross multiply
    266,891.51x = 368,273.94 × 159,438.72
  4. Step 4: Simplify right side
    266,891.51x = 58,717,125,602.96
  5. Step 5: Solve for x
    x = 58,717,125,602.96/266,891.51
  6. Step 6: Final answer
    x = 220,003.73

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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.