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Finding the Fourth Proportional to 341,438.60, 512,234.40 and 104,805.20

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Solution

The fourth proportional to 341,438.60, 512,234.40 and 104,805.20 is: 157,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,438.60 : 512,234.40 = 104,805.20 : x
  2. Step 2: Convert to fraction form
    341,438.60/512,234.40 = 104,805.20/x
  3. Step 3: Cross multiply
    341,438.60x = 512,234.40 × 104,805.20
  4. Step 4: Simplify right side
    341,438.60x = 53,684,828,738.88
  5. Step 5: Solve for x
    x = 53,684,828,738.88/341,438.60
  6. Step 6: Final answer
    x = 157,231.28

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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.