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Finding the Fourth Proportional to 331,573.34, 497,564.01 and 263,703.26

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Solution

The fourth proportional to 331,573.34, 497,564.01 and 263,703.26 is: 395,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,573.34 : 497,564.01 = 263,703.26 : x
  2. Step 2: Convert to fraction form
    331,573.34/497,564.01 = 263,703.26/x
  3. Step 3: Cross multiply
    331,573.34x = 497,564.01 × 263,703.26
  4. Step 4: Simplify right side
    331,573.34x = 131,209,251,495.67
  5. Step 5: Solve for x
    x = 131,209,251,495.67/331,573.34
  6. Step 6: Final answer
    x = 395,717.13

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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.