Home / 455,320.60-682,520.10-268,235.80

Finding the Fourth Proportional to 455,320.60, 682,520.10 and 268,235.80

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Solution

The fourth proportional to 455,320.60, 682,520.10 and 268,235.80 is: 402,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,320.60 : 682,520.10 = 268,235.80 : x
  2. Step 2: Convert to fraction form
    455,320.60/682,520.10 = 268,235.80/x
  3. Step 3: Cross multiply
    455,320.60x = 682,520.10 × 268,235.80
  4. Step 4: Simplify right side
    455,320.60x = 183,076,325,039.58
  5. Step 5: Solve for x
    x = 183,076,325,039.58/455,320.60
  6. Step 6: Final answer
    x = 402,082.24

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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.