Home / 344,682.20-516,002.70-256,327.40

Finding the Fourth Proportional to 344,682.20, 516,002.70 and 256,327.40

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Solution

The fourth proportional to 344,682.20, 516,002.70 and 256,327.40 is: 383,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,682.20 : 516,002.70 = 256,327.40 : x
  2. Step 2: Convert to fraction form
    344,682.20/516,002.70 = 256,327.40/x
  3. Step 3: Cross multiply
    344,682.20x = 516,002.70 × 256,327.40
  4. Step 4: Simplify right side
    344,682.20x = 132,265,630,483.98
  5. Step 5: Solve for x
    x = 132,265,630,483.98/344,682.20
  6. Step 6: Final answer
    x = 383,732.12

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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.