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Finding the Fourth Proportional to 201,700.15, 302,550.23 and 127,050.55

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Solution

The fourth proportional to 201,700.15, 302,550.23 and 127,050.55 is: 190,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,700.15 : 302,550.23 = 127,050.55 : x
  2. Step 2: Convert to fraction form
    201,700.15/302,550.23 = 127,050.55/x
  3. Step 3: Cross multiply
    201,700.15x = 302,550.23 × 127,050.55
  4. Step 4: Simplify right side
    201,700.15x = 38,439,172,488.87
  5. Step 5: Solve for x
    x = 38,439,172,488.87/201,700.15
  6. Step 6: Final answer
    x = 190,575.83

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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.