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Finding the Fourth Proportional to 340,157.10, 510,234.62 and 162,622.59

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Solution

The fourth proportional to 340,157.10, 510,234.62 and 162,622.59 is: 243,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,157.10 : 510,234.62 = 162,622.59 : x
  2. Step 2: Convert to fraction form
    340,157.10/510,234.62 = 162,622.59/x
  3. Step 3: Cross multiply
    340,157.10x = 510,234.62 × 162,622.59
  4. Step 4: Simplify right side
    340,157.10x = 82,975,673,142.95
  5. Step 5: Solve for x
    x = 82,975,673,142.95/340,157.10
  6. Step 6: Final answer
    x = 243,933.39

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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.