Home / 379,259.46-523,368.03-209,489.94

Finding the Fourth Proportional to 379,259.46, 523,368.03 and 209,489.94

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Solution

The fourth proportional to 379,259.46, 523,368.03 and 209,489.94 is: 289,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,259.46 : 523,368.03 = 209,489.94 : x
  2. Step 2: Convert to fraction form
    379,259.46/523,368.03 = 209,489.94/x
  3. Step 3: Cross multiply
    379,259.46x = 523,368.03 × 209,489.94
  4. Step 4: Simplify right side
    379,259.46x = 109,640,337,202.62
  5. Step 5: Solve for x
    x = 109,640,337,202.62/379,259.46
  6. Step 6: Final answer
    x = 289,090.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.