Home / 379,048.33-523,090.61-209,282.05

Finding the Fourth Proportional to 379,048.33, 523,090.61 and 209,282.05

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Solution

The fourth proportional to 379,048.33, 523,090.61 and 209,282.05 is: 288,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,048.33 : 523,090.61 = 209,282.05 : x
  2. Step 2: Convert to fraction form
    379,048.33/523,090.61 = 209,282.05/x
  3. Step 3: Cross multiply
    379,048.33x = 523,090.61 × 209,282.05
  4. Step 4: Simplify right side
    379,048.33x = 109,473,475,196.55
  5. Step 5: Solve for x
    x = 109,473,475,196.55/379,048.33
  6. Step 6: Final answer
    x = 288,811.39

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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.