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Finding the Fourth Proportional to 234,583.55, 351,875.36 and 57,090.56

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Solution

The fourth proportional to 234,583.55, 351,875.36 and 57,090.56 is: 85,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,583.55 : 351,875.36 = 57,090.56 : x
  2. Step 2: Convert to fraction form
    234,583.55/351,875.36 = 57,090.56/x
  3. Step 3: Cross multiply
    234,583.55x = 351,875.36 × 57,090.56
  4. Step 4: Simplify right side
    234,583.55x = 20,088,762,375.02
  5. Step 5: Solve for x
    x = 20,088,762,375.02/234,583.55
  6. Step 6: Final answer
    x = 85,635.85

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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.