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Finding the Fourth Proportional to 333,270.72, 499,953.54 and 122,892.30

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Solution

The fourth proportional to 333,270.72, 499,953.54 and 122,892.30 is: 184,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,270.72 : 499,953.54 = 122,892.30 : x
  2. Step 2: Convert to fraction form
    333,270.72/499,953.54 = 122,892.30/x
  3. Step 3: Cross multiply
    333,270.72x = 499,953.54 × 122,892.30
  4. Step 4: Simplify right side
    333,270.72x = 61,440,440,423.74
  5. Step 5: Solve for x
    x = 61,440,440,423.74/333,270.72
  6. Step 6: Final answer
    x = 184,355.95

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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.