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Finding the Fourth Proportional to 331,155.34, 496,737.56 and 94,497.98

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Solution

The fourth proportional to 331,155.34, 496,737.56 and 94,497.98 is: 141,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,155.34 : 496,737.56 = 94,497.98 : x
  2. Step 2: Convert to fraction form
    331,155.34/496,737.56 = 94,497.98/x
  3. Step 3: Cross multiply
    331,155.34x = 496,737.56 × 94,497.98
  4. Step 4: Simplify right side
    331,155.34x = 46,940,693,762.69
  5. Step 5: Solve for x
    x = 46,940,693,762.69/331,155.34
  6. Step 6: Final answer
    x = 141,748.26

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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.