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Finding the Fourth Proportional to 266,495.40, 367,645.52 and 159,002.93

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Solution

The fourth proportional to 266,495.40, 367,645.52 and 159,002.93 is: 219,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,495.40 : 367,645.52 = 159,002.93 : x
  2. Step 2: Convert to fraction form
    266,495.40/367,645.52 = 159,002.93/x
  3. Step 3: Cross multiply
    266,495.40x = 367,645.52 × 159,002.93
  4. Step 4: Simplify right side
    266,495.40x = 58,456,714,881.37
  5. Step 5: Solve for x
    x = 58,456,714,881.37/266,495.40
  6. Step 6: Final answer
    x = 219,353.56

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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.