Home / 426,170.58-588,336.52-311,320.27

Finding the Fourth Proportional to 426,170.58, 588,336.52 and 311,320.27

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Solution

The fourth proportional to 426,170.58, 588,336.52 and 311,320.27 is: 429,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,170.58 : 588,336.52 = 311,320.27 : x
  2. Step 2: Convert to fraction form
    426,170.58/588,336.52 = 311,320.27/x
  3. Step 3: Cross multiply
    426,170.58x = 588,336.52 × 311,320.27
  4. Step 4: Simplify right side
    426,170.58x = 183,161,084,257.26
  5. Step 5: Solve for x
    x = 183,161,084,257.26/426,170.58
  6. Step 6: Final answer
    x = 429,783.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.