Home / 307,919.40-461,648.70-167,836.20

Finding the Fourth Proportional to 307,919.40, 461,648.70 and 167,836.20

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Solution

The fourth proportional to 307,919.40, 461,648.70 and 167,836.20 is: 251,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,919.40 : 461,648.70 = 167,836.20 : x
  2. Step 2: Convert to fraction form
    307,919.40/461,648.70 = 167,836.20/x
  3. Step 3: Cross multiply
    307,919.40x = 461,648.70 × 167,836.20
  4. Step 4: Simplify right side
    307,919.40x = 77,481,363,542.94
  5. Step 5: Solve for x
    x = 77,481,363,542.94/307,919.40
  6. Step 6: Final answer
    x = 251,628.72

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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.