Home / 357,979.18-494,013.10-196,844.66

Finding the Fourth Proportional to 357,979.18, 494,013.10 and 196,844.66

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Solution

The fourth proportional to 357,979.18, 494,013.10 and 196,844.66 is: 271,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,979.18 : 494,013.10 = 196,844.66 : x
  2. Step 2: Convert to fraction form
    357,979.18/494,013.10 = 196,844.66/x
  3. Step 3: Cross multiply
    357,979.18x = 494,013.10 × 196,844.66
  4. Step 4: Simplify right side
    357,979.18x = 97,243,840,705.05
  5. Step 5: Solve for x
    x = 97,243,840,705.05/357,979.18
  6. Step 6: Final answer
    x = 271,646.64

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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.