Home / 455,549.10-683,307.45-206,231.10

Finding the Fourth Proportional to 455,549.10, 683,307.45 and 206,231.10

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Solution

The fourth proportional to 455,549.10, 683,307.45 and 206,231.10 is: 309,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,549.10 : 683,307.45 = 206,231.10 : x
  2. Step 2: Convert to fraction form
    455,549.10/683,307.45 = 206,231.10/x
  3. Step 3: Cross multiply
    455,549.10x = 683,307.45 × 206,231.10
  4. Step 4: Simplify right side
    455,549.10x = 140,919,247,051.70
  5. Step 5: Solve for x
    x = 140,919,247,051.70/455,549.10
  6. Step 6: Final answer
    x = 309,339.32

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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.