Home / 358,221.45-494,416.23-205,362.27

Finding the Fourth Proportional to 358,221.45, 494,416.23 and 205,362.27

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Solution

The fourth proportional to 358,221.45, 494,416.23 and 205,362.27 is: 283,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,221.45 : 494,416.23 = 205,362.27 : x
  2. Step 2: Convert to fraction form
    358,221.45/494,416.23 = 205,362.27/x
  3. Step 3: Cross multiply
    358,221.45x = 494,416.23 × 205,362.27
  4. Step 4: Simplify right side
    358,221.45x = 101,534,439,317.64
  5. Step 5: Solve for x
    x = 101,534,439,317.64/358,221.45
  6. Step 6: Final answer
    x = 283,440.42

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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.