Home / 358,021.89-494,070.03-196,887.78

Finding the Fourth Proportional to 358,021.89, 494,070.03 and 196,887.78

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Solution

The fourth proportional to 358,021.89, 494,070.03 and 196,887.78 is: 271,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,021.89 : 494,070.03 = 196,887.78 : x
  2. Step 2: Convert to fraction form
    358,021.89/494,070.03 = 196,887.78/x
  3. Step 3: Cross multiply
    358,021.89x = 494,070.03 × 196,887.78
  4. Step 4: Simplify right side
    358,021.89x = 97,276,351,371.23
  5. Step 5: Solve for x
    x = 97,276,351,371.23/358,021.89
  6. Step 6: Final answer
    x = 271,705.04

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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.