Home / 358,260.20-494,406.74-197,115.72

Finding the Fourth Proportional to 358,260.20, 494,406.74 and 197,115.72

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Solution

The fourth proportional to 358,260.20, 494,406.74 and 197,115.72 is: 272,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,260.20 : 494,406.74 = 197,115.72 : x
  2. Step 2: Convert to fraction form
    358,260.20/494,406.74 = 197,115.72/x
  3. Step 3: Cross multiply
    358,260.20x = 494,406.74 × 197,115.72
  4. Step 4: Simplify right side
    358,260.20x = 97,455,340,527.95
  5. Step 5: Solve for x
    x = 97,455,340,527.95/358,260.20
  6. Step 6: Final answer
    x = 272,023.91

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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.