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Finding the Fourth Proportional to 251,014, 376,579.32 and 84,802

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Solution

The fourth proportional to 251,014, 376,579.32 and 84,802 is: 127,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,014 : 376,579.32 = 84,802 : x
  2. Step 2: Convert to fraction form
    251,014/376,579.32 = 84,802/x
  3. Step 3: Cross multiply
    251,014x = 376,579.32 × 84,802
  4. Step 4: Simplify right side
    251,014x = 31,934,679,494.64
  5. Step 5: Solve for x
    x = 31,934,679,494.64/251,014
  6. Step 6: Final answer
    x = 127,222.70

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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.