Home / 277,426.90-382,740.20-161,120.58

Finding the Fourth Proportional to 277,426.90, 382,740.20 and 161,120.58

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Solution

The fourth proportional to 277,426.90, 382,740.20 and 161,120.58 is: 222,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,426.90 : 382,740.20 = 161,120.58 : x
  2. Step 2: Convert to fraction form
    277,426.90/382,740.20 = 161,120.58/x
  3. Step 3: Cross multiply
    277,426.90x = 382,740.20 × 161,120.58
  4. Step 4: Simplify right side
    277,426.90x = 61,667,320,696.81
  5. Step 5: Solve for x
    x = 61,667,320,696.81/277,426.90
  6. Step 6: Final answer
    x = 222,283.13

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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.