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Finding the Fourth Proportional to 426,361.08, 588,375.18 and 235,374.24

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Solution

The fourth proportional to 426,361.08, 588,375.18 and 235,374.24 is: 324,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,361.08 : 588,375.18 = 235,374.24 : x
  2. Step 2: Convert to fraction form
    426,361.08/588,375.18 = 235,374.24/x
  3. Step 3: Cross multiply
    426,361.08x = 588,375.18 × 235,374.24
  4. Step 4: Simplify right side
    426,361.08x = 138,488,360,827.36
  5. Step 5: Solve for x
    x = 138,488,360,827.36/426,361.08
  6. Step 6: Final answer
    x = 324,814.73

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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.