Home / 347,426.02-521,228.87-203,453.43

Finding the Fourth Proportional to 347,426.02, 521,228.87 and 203,453.43

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Solution

The fourth proportional to 347,426.02, 521,228.87 and 203,453.43 is: 305,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,426.02 : 521,228.87 = 203,453.43 : x
  2. Step 2: Convert to fraction form
    347,426.02/521,228.87 = 203,453.43/x
  3. Step 3: Cross multiply
    347,426.02x = 521,228.87 × 203,453.43
  4. Step 4: Simplify right side
    347,426.02x = 106,045,801,416.52
  5. Step 5: Solve for x
    x = 106,045,801,416.52/347,426.02
  6. Step 6: Final answer
    x = 305,232.76

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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.