Home / 284,217.36-426,112.65-171,874.51

Finding the Fourth Proportional to 284,217.36, 426,112.65 and 171,874.51

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Solution

The fourth proportional to 284,217.36, 426,112.65 and 171,874.51 is: 257,682.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,217.36 : 426,112.65 = 171,874.51 : x
  2. Step 2: Convert to fraction form
    284,217.36/426,112.65 = 171,874.51/x
  3. Step 3: Cross multiply
    284,217.36x = 426,112.65 × 171,874.51
  4. Step 4: Simplify right side
    284,217.36x = 73,237,901,858.27
  5. Step 5: Solve for x
    x = 73,237,901,858.27/284,217.36
  6. Step 6: Final answer
    x = 257,682.72

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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.