Home / 323,289.72-445,985.46-251,176.20

Finding the Fourth Proportional to 323,289.72, 445,985.46 and 251,176.20

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Solution

The fourth proportional to 323,289.72, 445,985.46 and 251,176.20 is: 346,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,289.72 : 445,985.46 = 251,176.20 : x
  2. Step 2: Convert to fraction form
    323,289.72/445,985.46 = 251,176.20/x
  3. Step 3: Cross multiply
    323,289.72x = 445,985.46 × 251,176.20
  4. Step 4: Simplify right side
    323,289.72x = 112,020,933,098.05
  5. Step 5: Solve for x
    x = 112,020,933,098.05/323,289.72
  6. Step 6: Final answer
    x = 346,503.23

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1.5x scale

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.