Home / 284,481.35-426,931.99-134,721.35

Finding the Fourth Proportional to 284,481.35, 426,931.99 and 134,721.35

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Solution

The fourth proportional to 284,481.35, 426,931.99 and 134,721.35 is: 202,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,481.35 : 426,931.99 = 134,721.35 : x
  2. Step 2: Convert to fraction form
    284,481.35/426,931.99 = 134,721.35/x
  3. Step 3: Cross multiply
    284,481.35x = 426,931.99 × 134,721.35
  4. Step 4: Simplify right side
    284,481.35x = 57,516,854,050.99
  5. Step 5: Solve for x
    x = 57,516,854,050.99/284,481.35
  6. Step 6: Final answer
    x = 202,181.46

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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.