Home / 500,900.14-751,473.24-145,917.28

Finding the Fourth Proportional to 500,900.14, 751,473.24 and 145,917.28

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Solution

The fourth proportional to 500,900.14, 751,473.24 and 145,917.28 is: 218,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,900.14 : 751,473.24 = 145,917.28 : x
  2. Step 2: Convert to fraction form
    500,900.14/751,473.24 = 145,917.28/x
  3. Step 3: Cross multiply
    500,900.14x = 751,473.24 × 145,917.28
  4. Step 4: Simplify right side
    500,900.14x = 109,652,931,173.59
  5. Step 5: Solve for x
    x = 109,652,931,173.59/500,900.14
  6. Step 6: Final answer
    x = 218,911.76

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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.