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Finding the Fourth Proportional to 273,457.13, 409,595.18 and 266,764.91

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Solution

The fourth proportional to 273,457.13, 409,595.18 and 266,764.91 is: 399,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,457.13 : 409,595.18 = 266,764.91 : x
  2. Step 2: Convert to fraction form
    273,457.13/409,595.18 = 266,764.91/x
  3. Step 3: Cross multiply
    273,457.13x = 409,595.18 × 266,764.91
  4. Step 4: Simplify right side
    273,457.13x = 109,265,617,947.33
  5. Step 5: Solve for x
    x = 109,265,617,947.33/273,457.13
  6. Step 6: Final answer
    x = 399,571.30

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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.