Home / 201,190.28-301,784.24-51,430.36

Finding the Fourth Proportional to 201,190.28, 301,784.24 and 51,430.36

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Solution

The fourth proportional to 201,190.28, 301,784.24 and 51,430.36 is: 77,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,190.28 : 301,784.24 = 51,430.36 : x
  2. Step 2: Convert to fraction form
    201,190.28/301,784.24 = 51,430.36/x
  3. Step 3: Cross multiply
    201,190.28x = 301,784.24 × 51,430.36
  4. Step 4: Simplify right side
    201,190.28x = 15,520,872,105.53
  5. Step 5: Solve for x
    x = 15,520,872,105.53/201,190.28
  6. Step 6: Final answer
    x = 77,145.24

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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.