Home / 357,985.50-494,007.36-196,839.42

Finding the Fourth Proportional to 357,985.50, 494,007.36 and 196,839.42

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Solution

The fourth proportional to 357,985.50, 494,007.36 and 196,839.42 is: 271,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,985.50 : 494,007.36 = 196,839.42 : x
  2. Step 2: Convert to fraction form
    357,985.50/494,007.36 = 196,839.42/x
  3. Step 3: Cross multiply
    357,985.50x = 494,007.36 × 196,839.42
  4. Step 4: Simplify right side
    357,985.50x = 97,240,122,218.13
  5. Step 5: Solve for x
    x = 97,240,122,218.13/357,985.50
  6. Step 6: Final answer
    x = 271,631.45

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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.