Home / 285,256.26-427,576.73-185,488.02

Finding the Fourth Proportional to 285,256.26, 427,576.73 and 185,488.02

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Solution

The fourth proportional to 285,256.26, 427,576.73 and 185,488.02 is: 278,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,256.26 : 427,576.73 = 185,488.02 : x
  2. Step 2: Convert to fraction form
    285,256.26/427,576.73 = 185,488.02/x
  3. Step 3: Cross multiply
    285,256.26x = 427,576.73 × 185,488.02
  4. Step 4: Simplify right side
    285,256.26x = 79,310,360,118.33
  5. Step 5: Solve for x
    x = 79,310,360,118.33/285,256.26
  6. Step 6: Final answer
    x = 278,031.97

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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.