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Finding the Fourth Proportional to 273,595.56, 410,523.30 and 189,485.16

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Solution

The fourth proportional to 273,595.56, 410,523.30 and 189,485.16 is: 284,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,595.56 : 410,523.30 = 189,485.16 : x
  2. Step 2: Convert to fraction form
    273,595.56/410,523.30 = 189,485.16/x
  3. Step 3: Cross multiply
    273,595.56x = 410,523.30 × 189,485.16
  4. Step 4: Simplify right side
    273,595.56x = 77,788,073,184.23
  5. Step 5: Solve for x
    x = 77,788,073,184.23/273,595.56
  6. Step 6: Final answer
    x = 284,317.75

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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.