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Finding the Fourth Proportional to 426,367.30, 588,371.44 and 235,376.58

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Solution

The fourth proportional to 426,367.30, 588,371.44 and 235,376.58 is: 324,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,367.30 : 588,371.44 = 235,376.58 : x
  2. Step 2: Convert to fraction form
    426,367.30/588,371.44 = 235,376.58/x
  3. Step 3: Cross multiply
    426,367.30x = 588,371.44 × 235,376.58
  4. Step 4: Simplify right side
    426,367.30x = 138,488,857,316.88
  5. Step 5: Solve for x
    x = 138,488,857,316.88/426,367.30
  6. Step 6: Final answer
    x = 324,811.16

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1.5x scale

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.