Home / 205,928.12-284,034.27-188,987.09

Finding the Fourth Proportional to 205,928.12, 284,034.27 and 188,987.09

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Solution

The fourth proportional to 205,928.12, 284,034.27 and 188,987.09 is: 260,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,928.12 : 284,034.27 = 188,987.09 : x
  2. Step 2: Convert to fraction form
    205,928.12/284,034.27 = 188,987.09/x
  3. Step 3: Cross multiply
    205,928.12x = 284,034.27 × 188,987.09
  4. Step 4: Simplify right side
    205,928.12x = 53,678,808,727.40
  5. Step 5: Solve for x
    x = 53,678,808,727.40/205,928.12
  6. Step 6: Final answer
    x = 260,667.70

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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.