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Finding the Fourth Proportional to 426,350.71, 588,360.37 and 235,360

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Solution

The fourth proportional to 426,350.71, 588,360.37 and 235,360 is: 324,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,350.71 : 588,360.37 = 235,360 : x
  2. Step 2: Convert to fraction form
    426,350.71/588,360.37 = 235,360/x
  3. Step 3: Cross multiply
    426,350.71x = 588,360.37 × 235,360
  4. Step 4: Simplify right side
    426,350.71x = 138,476,496,683.20
  5. Step 5: Solve for x
    x = 138,476,496,683.20/426,350.71
  6. Step 6: Final answer
    x = 324,794.81

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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.