Home / 284,506.75-426,815.43-84,822.72

Finding the Fourth Proportional to 284,506.75, 426,815.43 and 84,822.72

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Solution

The fourth proportional to 284,506.75, 426,815.43 and 84,822.72 is: 127,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,506.75 : 426,815.43 = 84,822.72 : x
  2. Step 2: Convert to fraction form
    284,506.75/426,815.43 = 84,822.72/x
  3. Step 3: Cross multiply
    284,506.75x = 426,815.43 × 84,822.72
  4. Step 4: Simplify right side
    284,506.75x = 36,203,645,710.57
  5. Step 5: Solve for x
    x = 36,203,645,710.57/284,506.75
  6. Step 6: Final answer
    x = 127,250.57

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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.