Home / 358,143.12-494,243.78-197,004.96

Finding the Fourth Proportional to 358,143.12, 494,243.78 and 197,004.96

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Solution

The fourth proportional to 358,143.12, 494,243.78 and 197,004.96 is: 271,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,143.12 : 494,243.78 = 197,004.96 : x
  2. Step 2: Convert to fraction form
    358,143.12/494,243.78 = 197,004.96/x
  3. Step 3: Cross multiply
    358,143.12x = 494,243.78 × 197,004.96
  4. Step 4: Simplify right side
    358,143.12x = 97,368,475,124.12
  5. Step 5: Solve for x
    x = 97,368,475,124.12/358,143.12
  6. Step 6: Final answer
    x = 271,870.29

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1.5x scale

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.