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Finding the Fourth Proportional to 401,115.51, 601,267.79 and 251,460.72

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Solution

The fourth proportional to 401,115.51, 601,267.79 and 251,460.72 is: 376,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,115.51 : 601,267.79 = 251,460.72 : x
  2. Step 2: Convert to fraction form
    401,115.51/601,267.79 = 251,460.72/x
  3. Step 3: Cross multiply
    401,115.51x = 601,267.79 × 251,460.72
  4. Step 4: Simplify right side
    401,115.51x = 151,195,232,014.86
  5. Step 5: Solve for x
    x = 151,195,232,014.86/401,115.51
  6. Step 6: Final answer
    x = 376,936.89

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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.