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Finding the Fourth Proportional to 426,360.30, 588,361.79 and 235,369.59

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Solution

The fourth proportional to 426,360.30, 588,361.79 and 235,369.59 is: 324,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,360.30 : 588,361.79 = 235,369.59 : x
  2. Step 2: Convert to fraction form
    426,360.30/588,361.79 = 235,369.59/x
  3. Step 3: Cross multiply
    426,360.30x = 588,361.79 × 235,369.59
  4. Step 4: Simplify right side
    426,360.30x = 138,482,473,283.97
  5. Step 5: Solve for x
    x = 138,482,473,283.97/426,360.30
  6. Step 6: Final answer
    x = 324,801.52

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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.