Home / 344,977.84-516,892.60-120,214.40

Finding the Fourth Proportional to 344,977.84, 516,892.60 and 120,214.40

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Solution

The fourth proportional to 344,977.84, 516,892.60 and 120,214.40 is: 180,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,977.84 : 516,892.60 = 120,214.40 : x
  2. Step 2: Convert to fraction form
    344,977.84/516,892.60 = 120,214.40/x
  3. Step 3: Cross multiply
    344,977.84x = 516,892.60 × 120,214.40
  4. Step 4: Simplify right side
    344,977.84x = 62,137,933,773.44
  5. Step 5: Solve for x
    x = 62,137,933,773.44/344,977.84
  6. Step 6: Final answer
    x = 180,121.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.