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Finding the Fourth Proportional to 228,160.89, 342,215.19 and 59,697.48

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Solution

The fourth proportional to 228,160.89, 342,215.19 and 59,697.48 is: 89,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,160.89 : 342,215.19 = 59,697.48 : x
  2. Step 2: Convert to fraction form
    228,160.89/342,215.19 = 59,697.48/x
  3. Step 3: Cross multiply
    228,160.89x = 342,215.19 × 59,697.48
  4. Step 4: Simplify right side
    228,160.89x = 20,429,384,460.72
  5. Step 5: Solve for x
    x = 20,429,384,460.72/228,160.89
  6. Step 6: Final answer
    x = 89,539.38

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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.