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Finding the Fourth Proportional to 157,354.84, 236,314.14 and 151,012.54

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Solution

The fourth proportional to 157,354.84, 236,314.14 and 151,012.54 is: 226,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,354.84 : 236,314.14 = 151,012.54 : x
  2. Step 2: Convert to fraction form
    157,354.84/236,314.14 = 151,012.54/x
  3. Step 3: Cross multiply
    157,354.84x = 236,314.14 × 151,012.54
  4. Step 4: Simplify right side
    157,354.84x = 35,686,398,519.32
  5. Step 5: Solve for x
    x = 35,686,398,519.32/157,354.84
  6. Step 6: Final answer
    x = 226,789.33

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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.