Home / 284,826.10-426,865.38-209,593.98

Finding the Fourth Proportional to 284,826.10, 426,865.38 and 209,593.98

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Solution

The fourth proportional to 284,826.10, 426,865.38 and 209,593.98 is: 314,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,826.10 : 426,865.38 = 209,593.98 : x
  2. Step 2: Convert to fraction form
    284,826.10/426,865.38 = 209,593.98/x
  3. Step 3: Cross multiply
    284,826.10x = 426,865.38 × 209,593.98
  4. Step 4: Simplify right side
    284,826.10x = 89,468,413,918.41
  5. Step 5: Solve for x
    x = 89,468,413,918.41/284,826.10
  6. Step 6: Final answer
    x = 314,115.93

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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.