Home / 431,256.64-647,085.84-164,929.44

Finding the Fourth Proportional to 431,256.64, 647,085.84 and 164,929.44

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Solution

The fourth proportional to 431,256.64, 647,085.84 and 164,929.44 is: 247,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,256.64 : 647,085.84 = 164,929.44 : x
  2. Step 2: Convert to fraction form
    431,256.64/647,085.84 = 164,929.44/x
  3. Step 3: Cross multiply
    431,256.64x = 647,085.84 × 164,929.44
  4. Step 4: Simplify right side
    431,256.64x = 106,723,505,223.13
  5. Step 5: Solve for x
    x = 106,723,505,223.13/431,256.64
  6. Step 6: Final answer
    x = 247,470.98

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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.