Home / 603,465.56-905,315.04-204,171.40

Finding the Fourth Proportional to 603,465.56, 905,315.04 and 204,171.40

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Solution

The fourth proportional to 603,465.56, 905,315.04 and 204,171.40 is: 306,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,465.56 : 905,315.04 = 204,171.40 : x
  2. Step 2: Convert to fraction form
    603,465.56/905,315.04 = 204,171.40/x
  3. Step 3: Cross multiply
    603,465.56x = 905,315.04 × 204,171.40
  4. Step 4: Simplify right side
    603,465.56x = 184,839,439,157.86
  5. Step 5: Solve for x
    x = 184,839,439,157.86/603,465.56
  6. Step 6: Final answer
    x = 306,296.58

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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.