Home / 340,240.11-510,391.96-100,354.24

Finding the Fourth Proportional to 340,240.11, 510,391.96 and 100,354.24

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Solution

The fourth proportional to 340,240.11, 510,391.96 and 100,354.24 is: 150,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,240.11 : 510,391.96 = 100,354.24 : x
  2. Step 2: Convert to fraction form
    340,240.11/510,391.96 = 100,354.24/x
  3. Step 3: Cross multiply
    340,240.11x = 510,391.96 × 100,354.24
  4. Step 4: Simplify right side
    340,240.11x = 51,219,997,247.91
  5. Step 5: Solve for x
    x = 51,219,997,247.91/340,240.11
  6. Step 6: Final answer
    x = 150,540.74

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1.5x scale

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.