Home / 380,748.55-570,975.20-203,158.69

Finding the Fourth Proportional to 380,748.55, 570,975.20 and 203,158.69

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Solution

The fourth proportional to 380,748.55, 570,975.20 and 203,158.69 is: 304,659.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,748.55 : 570,975.20 = 203,158.69 : x
  2. Step 2: Convert to fraction form
    380,748.55/570,975.20 = 203,158.69/x
  3. Step 3: Cross multiply
    380,748.55x = 570,975.20 × 203,158.69
  4. Step 4: Simplify right side
    380,748.55x = 115,998,569,783.82
  5. Step 5: Solve for x
    x = 115,998,569,783.82/380,748.55
  6. Step 6: Final answer
    x = 304,659.26

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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.