Home / 307,468.20-461,288.70-149,701.80

Finding the Fourth Proportional to 307,468.20, 461,288.70 and 149,701.80

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Solution

The fourth proportional to 307,468.20, 461,288.70 and 149,701.80 is: 224,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,468.20 : 461,288.70 = 149,701.80 : x
  2. Step 2: Convert to fraction form
    307,468.20/461,288.70 = 149,701.80/x
  3. Step 3: Cross multiply
    307,468.20x = 461,288.70 × 149,701.80
  4. Step 4: Simplify right side
    307,468.20x = 69,055,748,709.66
  5. Step 5: Solve for x
    x = 69,055,748,709.66/307,468.20
  6. Step 6: Final answer
    x = 224,594.77

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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.