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Finding the Fourth Proportional to 455,593.60, 683,390.40 and 231,644.80

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Solution

The fourth proportional to 455,593.60, 683,390.40 and 231,644.80 is: 347,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,593.60 : 683,390.40 = 231,644.80 : x
  2. Step 2: Convert to fraction form
    455,593.60/683,390.40 = 231,644.80/x
  3. Step 3: Cross multiply
    455,593.60x = 683,390.40 × 231,644.80
  4. Step 4: Simplify right side
    455,593.60x = 158,303,832,529.92
  5. Step 5: Solve for x
    x = 158,303,832,529.92/455,593.60
  6. Step 6: Final answer
    x = 347,467.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.