Home / 358,365.20-494,544.06-197,220.20

Finding the Fourth Proportional to 358,365.20, 494,544.06 and 197,220.20

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Solution

The fourth proportional to 358,365.20, 494,544.06 and 197,220.20 is: 272,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,365.20 : 494,544.06 = 197,220.20 : x
  2. Step 2: Convert to fraction form
    358,365.20/494,544.06 = 197,220.20/x
  3. Step 3: Cross multiply
    358,365.20x = 494,544.06 × 197,220.20
  4. Step 4: Simplify right side
    358,365.20x = 97,534,078,422.01
  5. Step 5: Solve for x
    x = 97,534,078,422.01/358,365.20
  6. Step 6: Final answer
    x = 272,163.92

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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.