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Finding the Fourth Proportional to 201,780.70, 302,671.05 and 54,036.70

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Solution

The fourth proportional to 201,780.70, 302,671.05 and 54,036.70 is: 81,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,780.70 : 302,671.05 = 54,036.70 : x
  2. Step 2: Convert to fraction form
    201,780.70/302,671.05 = 54,036.70/x
  3. Step 3: Cross multiply
    201,780.70x = 302,671.05 × 54,036.70
  4. Step 4: Simplify right side
    201,780.70x = 16,355,344,727.54
  5. Step 5: Solve for x
    x = 16,355,344,727.54/201,780.70
  6. Step 6: Final answer
    x = 81,055.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.