Home / 428,977.20-592,059.60-238,051.92

Finding the Fourth Proportional to 428,977.20, 592,059.60 and 238,051.92

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Solution

The fourth proportional to 428,977.20, 592,059.60 and 238,051.92 is: 328,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,977.20 : 592,059.60 = 238,051.92 : x
  2. Step 2: Convert to fraction form
    428,977.20/592,059.60 = 238,051.92/x
  3. Step 3: Cross multiply
    428,977.20x = 592,059.60 × 238,051.92
  4. Step 4: Simplify right side
    428,977.20x = 140,940,924,534.43
  5. Step 5: Solve for x
    x = 140,940,924,534.43/428,977.20
  6. Step 6: Final answer
    x = 328,551.09

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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.