Home / 486,650.45-729,977.39-149,688.83

Finding the Fourth Proportional to 486,650.45, 729,977.39 and 149,688.83

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Solution

The fourth proportional to 486,650.45, 729,977.39 and 149,688.83 is: 224,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,650.45 : 729,977.39 = 149,688.83 : x
  2. Step 2: Convert to fraction form
    486,650.45/729,977.39 = 149,688.83/x
  3. Step 3: Cross multiply
    486,650.45x = 729,977.39 × 149,688.83
  4. Step 4: Simplify right side
    486,650.45x = 109,269,457,037.22
  5. Step 5: Solve for x
    x = 109,269,457,037.22/486,650.45
  6. Step 6: Final answer
    x = 224,533.77

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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.