Home / 455,420.10-683,567.55-231,033.90

Finding the Fourth Proportional to 455,420.10, 683,567.55 and 231,033.90

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Solution

The fourth proportional to 455,420.10, 683,567.55 and 231,033.90 is: 346,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,420.10 : 683,567.55 = 231,033.90 : x
  2. Step 2: Convert to fraction form
    455,420.10/683,567.55 = 231,033.90/x
  3. Step 3: Cross multiply
    455,420.10x = 683,567.55 × 231,033.90
  4. Step 4: Simplify right side
    455,420.10x = 157,927,276,989.95
  5. Step 5: Solve for x
    x = 157,927,276,989.95/455,420.10
  6. Step 6: Final answer
    x = 346,772.74

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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.