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Finding the Fourth Proportional to 339,903.20, 510,000.60 and 173,691.20

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Solution

The fourth proportional to 339,903.20, 510,000.60 and 173,691.20 is: 260,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,903.20 : 510,000.60 = 173,691.20 : x
  2. Step 2: Convert to fraction form
    339,903.20/510,000.60 = 173,691.20/x
  3. Step 3: Cross multiply
    339,903.20x = 510,000.60 × 173,691.20
  4. Step 4: Simplify right side
    339,903.20x = 88,582,616,214.72
  5. Step 5: Solve for x
    x = 88,582,616,214.72/339,903.20
  6. Step 6: Final answer
    x = 260,611.30

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1.5x scale

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.