Home / 356,936.10-492,570.50-220,942.97

Finding the Fourth Proportional to 356,936.10, 492,570.50 and 220,942.97

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Solution

The fourth proportional to 356,936.10, 492,570.50 and 220,942.97 is: 304,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,936.10 : 492,570.50 = 220,942.97 : x
  2. Step 2: Convert to fraction form
    356,936.10/492,570.50 = 220,942.97/x
  3. Step 3: Cross multiply
    356,936.10x = 492,570.50 × 220,942.97
  4. Step 4: Simplify right side
    356,936.10x = 108,829,987,483.96
  5. Step 5: Solve for x
    x = 108,829,987,483.96/356,936.10
  6. Step 6: Final answer
    x = 304,900.48

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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.