Home / 428,977.05-592,059.20-238,051.95

Finding the Fourth Proportional to 428,977.05, 592,059.20 and 238,051.95

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Solution

The fourth proportional to 428,977.05, 592,059.20 and 238,051.95 is: 328,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,977.05 : 592,059.20 = 238,051.95 : x
  2. Step 2: Convert to fraction form
    428,977.05/592,059.20 = 238,051.95/x
  3. Step 3: Cross multiply
    428,977.05x = 592,059.20 × 238,051.95
  4. Step 4: Simplify right side
    428,977.05x = 140,940,845,885.18
  5. Step 5: Solve for x
    x = 140,940,845,885.18/428,977.05
  6. Step 6: Final answer
    x = 328,551.02

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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.