Home / 381,346.20-572,376.06-201,565.06

Finding the Fourth Proportional to 381,346.20, 572,376.06 and 201,565.06

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Solution

The fourth proportional to 381,346.20, 572,376.06 and 201,565.06 is: 302,536.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,346.20 : 572,376.06 = 201,565.06 : x
  2. Step 2: Convert to fraction form
    381,346.20/572,376.06 = 201,565.06/x
  3. Step 3: Cross multiply
    381,346.20x = 572,376.06 × 201,565.06
  4. Step 4: Simplify right side
    381,346.20x = 115,371,016,784.14
  5. Step 5: Solve for x
    x = 115,371,016,784.14/381,346.20
  6. Step 6: Final answer
    x = 302,536.16

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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.