Home / 353,188.20-529,782.30-142,717.80

Finding the Fourth Proportional to 353,188.20, 529,782.30 and 142,717.80

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Solution

The fourth proportional to 353,188.20, 529,782.30 and 142,717.80 is: 214,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,188.20 : 529,782.30 = 142,717.80 : x
  2. Step 2: Convert to fraction form
    353,188.20/529,782.30 = 142,717.80/x
  3. Step 3: Cross multiply
    353,188.20x = 529,782.30 × 142,717.80
  4. Step 4: Simplify right side
    353,188.20x = 75,609,364,334.94
  5. Step 5: Solve for x
    x = 75,609,364,334.94/353,188.20
  6. Step 6: Final answer
    x = 214,076.70

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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.