Home / 379,936.04-569,874.48-155,236.64

Finding the Fourth Proportional to 379,936.04, 569,874.48 and 155,236.64

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Solution

The fourth proportional to 379,936.04, 569,874.48 and 155,236.64 is: 232,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,936.04 : 569,874.48 = 155,236.64 : x
  2. Step 2: Convert to fraction form
    379,936.04/569,874.48 = 155,236.64/x
  3. Step 3: Cross multiply
    379,936.04x = 569,874.48 × 155,236.64
  4. Step 4: Simplify right side
    379,936.04x = 88,465,399,496.95
  5. Step 5: Solve for x
    x = 88,465,399,496.95/379,936.04
  6. Step 6: Final answer
    x = 232,842.87

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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.