Home / 429,311.20-592,419.84-238,309.60

Finding the Fourth Proportional to 429,311.20, 592,419.84 and 238,309.60

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Solution

The fourth proportional to 429,311.20, 592,419.84 and 238,309.60 is: 328,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,311.20 : 592,419.84 = 238,309.60 : x
  2. Step 2: Convert to fraction form
    429,311.20/592,419.84 = 238,309.60/x
  3. Step 3: Cross multiply
    429,311.20x = 592,419.84 × 238,309.60
  4. Step 4: Simplify right side
    429,311.20x = 141,179,335,102.46
  5. Step 5: Solve for x
    x = 141,179,335,102.46/429,311.20
  6. Step 6: Final answer
    x = 328,850.81

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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.