Home / 672,145.20-1,008,102.60-251,204.40

Finding the Fourth Proportional to 672,145.20, 1,008,102.60 and 251,204.40

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Solution

The fourth proportional to 672,145.20, 1,008,102.60 and 251,204.40 is: 376,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,145.20 : 1,008,102.60 = 251,204.40 : x
  2. Step 2: Convert to fraction form
    672,145.20/1,008,102.60 = 251,204.40/x
  3. Step 3: Cross multiply
    672,145.20x = 1,008,102.60 × 251,204.40
  4. Step 4: Simplify right side
    672,145.20x = 253,239,808,771.44
  5. Step 5: Solve for x
    x = 253,239,808,771.44/672,145.20
  6. Step 6: Final answer
    x = 376,763.55

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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.