Home / 285,750.03-427,784.22-190,744.57

Finding the Fourth Proportional to 285,750.03, 427,784.22 and 190,744.57

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Solution

The fourth proportional to 285,750.03, 427,784.22 and 190,744.57 is: 285,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,750.03 : 427,784.22 = 190,744.57 : x
  2. Step 2: Convert to fraction form
    285,750.03/427,784.22 = 190,744.57/x
  3. Step 3: Cross multiply
    285,750.03x = 427,784.22 × 190,744.57
  4. Step 4: Simplify right side
    285,750.03x = 81,597,514,004.04
  5. Step 5: Solve for x
    x = 81,597,514,004.04/285,750.03
  6. Step 6: Final answer
    x = 285,555.57

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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.