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Finding the Fourth Proportional to 426,744.60, 588,903.12 and 235,745.52

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Solution

The fourth proportional to 426,744.60, 588,903.12 and 235,745.52 is: 325,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,744.60 : 588,903.12 = 235,745.52 : x
  2. Step 2: Convert to fraction form
    426,744.60/588,903.12 = 235,745.52/x
  3. Step 3: Cross multiply
    426,744.60x = 588,903.12 × 235,745.52
  4. Step 4: Simplify right side
    426,744.60x = 138,831,272,254.02
  5. Step 5: Solve for x
    x = 138,831,272,254.02/426,744.60
  6. Step 6: Final answer
    x = 325,326.37

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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.