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Finding the Fourth Proportional to 354,016.83, 488,526.20 and 201,034.83

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Solution

The fourth proportional to 354,016.83, 488,526.20 and 201,034.83 is: 277,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,016.83 : 488,526.20 = 201,034.83 : x
  2. Step 2: Convert to fraction form
    354,016.83/488,526.20 = 201,034.83/x
  3. Step 3: Cross multiply
    354,016.83x = 488,526.20 × 201,034.83
  4. Step 4: Simplify right side
    354,016.83x = 98,210,780,562.37
  5. Step 5: Solve for x
    x = 98,210,780,562.37/354,016.83
  6. Step 6: Final answer
    x = 277,418.39

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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.