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Finding the Fourth Proportional to 224,362.83, 336,445.65 and 84,023.04

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Solution

The fourth proportional to 224,362.83, 336,445.65 and 84,023.04 is: 125,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,362.83 : 336,445.65 = 84,023.04 : x
  2. Step 2: Convert to fraction form
    224,362.83/336,445.65 = 84,023.04/x
  3. Step 3: Cross multiply
    224,362.83x = 336,445.65 × 84,023.04
  4. Step 4: Simplify right side
    224,362.83x = 28,269,186,307.78
  5. Step 5: Solve for x
    x = 28,269,186,307.78/224,362.83
  6. Step 6: Final answer
    x = 125,997.64

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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.