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Finding the Fourth Proportional to 353,170.64, 529,744.04 and 153,491.04

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Solution

The fourth proportional to 353,170.64, 529,744.04 and 153,491.04 is: 230,231.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,170.64 : 529,744.04 = 153,491.04 : x
  2. Step 2: Convert to fraction form
    353,170.64/529,744.04 = 153,491.04/x
  3. Step 3: Cross multiply
    353,170.64x = 529,744.04 × 153,491.04
  4. Step 4: Simplify right side
    353,170.64x = 81,310,962,865.95
  5. Step 5: Solve for x
    x = 81,310,962,865.95/353,170.64
  6. Step 6: Final answer
    x = 230,231.38

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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.