Home / 358,433.20-494,633.90-197,284.78

Finding the Fourth Proportional to 358,433.20, 494,633.90 and 197,284.78

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Solution

The fourth proportional to 358,433.20, 494,633.90 and 197,284.78 is: 272,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,433.20 : 494,633.90 = 197,284.78 : x
  2. Step 2: Convert to fraction form
    358,433.20/494,633.90 = 197,284.78/x
  3. Step 3: Cross multiply
    358,433.20x = 494,633.90 × 197,284.78
  4. Step 4: Simplify right side
    358,433.20x = 97,583,740,142.04
  5. Step 5: Solve for x
    x = 97,583,740,142.04/358,433.20
  6. Step 6: Final answer
    x = 272,250.84

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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.