Home / 558,142.80-836,963.64-178,993.68

Finding the Fourth Proportional to 558,142.80, 836,963.64 and 178,993.68

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Solution

The fourth proportional to 558,142.80, 836,963.64 and 178,993.68 is: 268,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,142.80 : 836,963.64 = 178,993.68 : x
  2. Step 2: Convert to fraction form
    558,142.80/836,963.64 = 178,993.68/x
  3. Step 3: Cross multiply
    558,142.80x = 836,963.64 × 178,993.68
  4. Step 4: Simplify right side
    558,142.80x = 149,811,201,949.80
  5. Step 5: Solve for x
    x = 149,811,201,949.80/558,142.80
  6. Step 6: Final answer
    x = 268,410.17

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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.