Home / 284,657.10-426,971.08-84,979.14

Finding the Fourth Proportional to 284,657.10, 426,971.08 and 84,979.14

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Solution

The fourth proportional to 284,657.10, 426,971.08 and 84,979.14 is: 127,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,657.10 : 426,971.08 = 84,979.14 : x
  2. Step 2: Convert to fraction form
    284,657.10/426,971.08 = 84,979.14/x
  3. Step 3: Cross multiply
    284,657.10x = 426,971.08 × 84,979.14
  4. Step 4: Simplify right side
    284,657.10x = 36,283,635,183.27
  5. Step 5: Solve for x
    x = 36,283,635,183.27/284,657.10
  6. Step 6: Final answer
    x = 127,464.36

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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.