Home / 366,317.30-505,627.61-223,148.09

Finding the Fourth Proportional to 366,317.30, 505,627.61 and 223,148.09

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Solution

The fourth proportional to 366,317.30, 505,627.61 and 223,148.09 is: 308,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,317.30 : 505,627.61 = 223,148.09 : x
  2. Step 2: Convert to fraction form
    366,317.30/505,627.61 = 223,148.09/x
  3. Step 3: Cross multiply
    366,317.30x = 505,627.61 × 223,148.09
  4. Step 4: Simplify right side
    366,317.30x = 112,829,831,778.89
  5. Step 5: Solve for x
    x = 112,829,831,778.89/366,317.30
  6. Step 6: Final answer
    x = 308,011.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.