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Finding the Fourth Proportional to 347,420.48, 520,748.40 and 227,333.12

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Solution

The fourth proportional to 347,420.48, 520,748.40 and 227,333.12 is: 340,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,420.48 : 520,748.40 = 227,333.12 : x
  2. Step 2: Convert to fraction form
    347,420.48/520,748.40 = 227,333.12/x
  3. Step 3: Cross multiply
    347,420.48x = 520,748.40 × 227,333.12
  4. Step 4: Simplify right side
    347,420.48x = 118,383,358,507.01
  5. Step 5: Solve for x
    x = 118,383,358,507.01/347,420.48
  6. Step 6: Final answer
    x = 340,749.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.