Home / 284,120.20-426,180.30-165,730.60

Finding the Fourth Proportional to 284,120.20, 426,180.30 and 165,730.60

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Solution

The fourth proportional to 284,120.20, 426,180.30 and 165,730.60 is: 248,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,120.20 : 426,180.30 = 165,730.60 : x
  2. Step 2: Convert to fraction form
    284,120.20/426,180.30 = 165,730.60/x
  3. Step 3: Cross multiply
    284,120.20x = 426,180.30 × 165,730.60
  4. Step 4: Simplify right side
    284,120.20x = 70,631,116,827.18
  5. Step 5: Solve for x
    x = 70,631,116,827.18/284,120.20
  6. Step 6: Final answer
    x = 248,595.90

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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.