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Finding the Fourth Proportional to 426,325.91, 588,329.16 and 235,338.84

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Solution

The fourth proportional to 426,325.91, 588,329.16 and 235,338.84 is: 324,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,325.91 : 588,329.16 = 235,338.84 : x
  2. Step 2: Convert to fraction form
    426,325.91/588,329.16 = 235,338.84/x
  3. Step 3: Cross multiply
    426,325.91x = 588,329.16 × 235,338.84
  4. Step 4: Simplify right side
    426,325.91x = 138,456,702,052.57
  5. Step 5: Solve for x
    x = 138,456,702,052.57/426,325.91
  6. Step 6: Final answer
    x = 324,767.27

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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.