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Finding the Fourth Proportional to 201,448.88, 278,013.12 and 133,348.58

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Solution

The fourth proportional to 201,448.88, 278,013.12 and 133,348.58 is: 184,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,448.88 : 278,013.12 = 133,348.58 : x
  2. Step 2: Convert to fraction form
    201,448.88/278,013.12 = 133,348.58/x
  3. Step 3: Cross multiply
    201,448.88x = 278,013.12 × 133,348.58
  4. Step 4: Simplify right side
    201,448.88x = 37,072,654,773.37
  5. Step 5: Solve for x
    x = 37,072,654,773.37/201,448.88
  6. Step 6: Final answer
    x = 184,030.09

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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.