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Finding the Fourth Proportional to 504,181.31, 756,495.40 and 264,238.15

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Solution

The fourth proportional to 504,181.31, 756,495.40 and 264,238.15 is: 396,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,181.31 : 756,495.40 = 264,238.15 : x
  2. Step 2: Convert to fraction form
    504,181.31/756,495.40 = 264,238.15/x
  3. Step 3: Cross multiply
    504,181.31x = 756,495.40 × 264,238.15
  4. Step 4: Simplify right side
    504,181.31x = 199,894,944,341.55
  5. Step 5: Solve for x
    x = 199,894,944,341.55/504,181.31
  6. Step 6: Final answer
    x = 396,474.32

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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.