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Finding the Fourth Proportional to 331,715.56, 497,157.66 and 236,796.52

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Solution

The fourth proportional to 331,715.56, 497,157.66 and 236,796.52 is: 354,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,715.56 : 497,157.66 = 236,796.52 : x
  2. Step 2: Convert to fraction form
    331,715.56/497,157.66 = 236,796.52/x
  3. Step 3: Cross multiply
    331,715.56x = 497,157.66 × 236,796.52
  4. Step 4: Simplify right side
    331,715.56x = 117,725,203,779.34
  5. Step 5: Solve for x
    x = 117,725,203,779.34/331,715.56
  6. Step 6: Final answer
    x = 354,898.05

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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.