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Finding the Fourth Proportional to 426,455.68, 588,493.41 and 235,464.97

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Solution

The fourth proportional to 426,455.68, 588,493.41 and 235,464.97 is: 324,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,455.68 : 588,493.41 = 235,464.97 : x
  2. Step 2: Convert to fraction form
    426,455.68/588,493.41 = 235,464.97/x
  3. Step 3: Cross multiply
    426,455.68x = 588,493.41 × 235,464.97
  4. Step 4: Simplify right side
    426,455.68x = 138,569,583,130.85
  5. Step 5: Solve for x
    x = 138,569,583,130.85/426,455.68
  6. Step 6: Final answer
    x = 324,933.14

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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.