Home / 320,664.04-442,323.57-211,769.38

Finding the Fourth Proportional to 320,664.04, 442,323.57 and 211,769.38

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Solution

The fourth proportional to 320,664.04, 442,323.57 and 211,769.38 is: 292,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,664.04 : 442,323.57 = 211,769.38 : x
  2. Step 2: Convert to fraction form
    320,664.04/442,323.57 = 211,769.38/x
  3. Step 3: Cross multiply
    320,664.04x = 442,323.57 × 211,769.38
  4. Step 4: Simplify right side
    320,664.04x = 93,670,587,072.48
  5. Step 5: Solve for x
    x = 93,670,587,072.48/320,664.04
  6. Step 6: Final answer
    x = 292,114.41

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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.