Home / 426,968.32-640,563-227,124.04

Finding the Fourth Proportional to 426,968.32, 640,563 and 227,124.04

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Solution

The fourth proportional to 426,968.32, 640,563 and 227,124.04 is: 340,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,968.32 : 640,563 = 227,124.04 : x
  2. Step 2: Convert to fraction form
    426,968.32/640,563 = 227,124.04/x
  3. Step 3: Cross multiply
    426,968.32x = 640,563 × 227,124.04
  4. Step 4: Simplify right side
    426,968.32x = 145,487,256,434.52
  5. Step 5: Solve for x
    x = 145,487,256,434.52/426,968.32
  6. Step 6: Final answer
    x = 340,744.85

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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.