Home / 285,269.80-427,204.86-191,491.24

Finding the Fourth Proportional to 285,269.80, 427,204.86 and 191,491.24

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Solution

The fourth proportional to 285,269.80, 427,204.86 and 191,491.24 is: 286,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,269.80 : 427,204.86 = 191,491.24 : x
  2. Step 2: Convert to fraction form
    285,269.80/427,204.86 = 191,491.24/x
  3. Step 3: Cross multiply
    285,269.80x = 427,204.86 × 191,491.24
  4. Step 4: Simplify right side
    285,269.80x = 81,805,988,375.43
  5. Step 5: Solve for x
    x = 81,805,988,375.43/285,269.80
  6. Step 6: Final answer
    x = 286,767.08

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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.