Home / 358,277.49-494,434.85-197,144.37

Finding the Fourth Proportional to 358,277.49, 494,434.85 and 197,144.37

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Solution

The fourth proportional to 358,277.49, 494,434.85 and 197,144.37 is: 272,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,277.49 : 494,434.85 = 197,144.37 : x
  2. Step 2: Convert to fraction form
    358,277.49/494,434.85 = 197,144.37/x
  3. Step 3: Cross multiply
    358,277.49x = 494,434.85 × 197,144.37
  4. Step 4: Simplify right side
    358,277.49x = 97,475,046,023.57
  5. Step 5: Solve for x
    x = 97,475,046,023.57/358,277.49
  6. Step 6: Final answer
    x = 272,065.78

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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.