Home / 351,729.50-485,385.48-190,584.45

Finding the Fourth Proportional to 351,729.50, 485,385.48 and 190,584.45

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Solution

The fourth proportional to 351,729.50, 485,385.48 and 190,584.45 is: 263,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,729.50 : 485,385.48 = 190,584.45 : x
  2. Step 2: Convert to fraction form
    351,729.50/485,385.48 = 190,584.45/x
  3. Step 3: Cross multiply
    351,729.50x = 485,385.48 × 190,584.45
  4. Step 4: Simplify right side
    351,729.50x = 92,506,924,743.79
  5. Step 5: Solve for x
    x = 92,506,924,743.79/351,729.50
  6. Step 6: Final answer
    x = 263,005.88

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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.