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Finding the Fourth Proportional to 356,959.04, 492,404.67 and 220,906.37

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Solution

The fourth proportional to 356,959.04, 492,404.67 and 220,906.37 is: 304,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,959.04 : 492,404.67 = 220,906.37 : x
  2. Step 2: Convert to fraction form
    356,959.04/492,404.67 = 220,906.37/x
  3. Step 3: Cross multiply
    356,959.04x = 492,404.67 × 220,906.37
  4. Step 4: Simplify right side
    356,959.04x = 108,775,329,451.76
  5. Step 5: Solve for x
    x = 108,775,329,451.76/356,959.04
  6. Step 6: Final answer
    x = 304,727.77

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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.