Home / 357,848.20-493,824.97-196,699.80

Finding the Fourth Proportional to 357,848.20, 493,824.97 and 196,699.80

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Solution

The fourth proportional to 357,848.20, 493,824.97 and 196,699.80 is: 271,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,848.20 : 493,824.97 = 196,699.80 : x
  2. Step 2: Convert to fraction form
    357,848.20/493,824.97 = 196,699.80/x
  3. Step 3: Cross multiply
    357,848.20x = 493,824.97 × 196,699.80
  4. Step 4: Simplify right side
    357,848.20x = 97,135,272,834.01
  5. Step 5: Solve for x
    x = 97,135,272,834.01/357,848.20
  6. Step 6: Final answer
    x = 271,442.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.