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Finding the Fourth Proportional to 201,447.88, 278,011.74 and 133,347.58

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Solution

The fourth proportional to 201,447.88, 278,011.74 and 133,347.58 is: 184,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,447.88 : 278,011.74 = 133,347.58 : x
  2. Step 2: Convert to fraction form
    201,447.88/278,011.74 = 133,347.58/x
  3. Step 3: Cross multiply
    201,447.88x = 278,011.74 × 133,347.58
  4. Step 4: Simplify right side
    201,447.88x = 37,072,192,740.59
  5. Step 5: Solve for x
    x = 37,072,192,740.59/201,447.88
  6. Step 6: Final answer
    x = 184,028.71

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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.