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Finding the Fourth Proportional to 545,735.52, 818,690.76 and 230,238.90

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Solution

The fourth proportional to 545,735.52, 818,690.76 and 230,238.90 is: 345,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,735.52 : 818,690.76 = 230,238.90 : x
  2. Step 2: Convert to fraction form
    545,735.52/818,690.76 = 230,238.90/x
  3. Step 3: Cross multiply
    545,735.52x = 818,690.76 × 230,238.90
  4. Step 4: Simplify right side
    545,735.52x = 188,494,460,022.56
  5. Step 5: Solve for x
    x = 188,494,460,022.56/545,735.52
  6. Step 6: Final answer
    x = 345,395.26

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1.5x scale

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.