Home / 427,226.94-640,937.34-227,442.06

Finding the Fourth Proportional to 427,226.94, 640,937.34 and 227,442.06

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Solution

The fourth proportional to 427,226.94, 640,937.34 and 227,442.06 is: 341,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,226.94 : 640,937.34 = 227,442.06 : x
  2. Step 2: Convert to fraction form
    427,226.94/640,937.34 = 227,442.06/x
  3. Step 3: Cross multiply
    427,226.94x = 640,937.34 × 227,442.06
  4. Step 4: Simplify right side
    427,226.94x = 145,776,108,940.52
  5. Step 5: Solve for x
    x = 145,776,108,940.52/427,226.94
  6. Step 6: Final answer
    x = 341,214.69

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1.5x scale

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.