Home / 379,729.16-569,680.14-202,142.60

Finding the Fourth Proportional to 379,729.16, 569,680.14 and 202,142.60

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Solution

The fourth proportional to 379,729.16, 569,680.14 and 202,142.60 is: 303,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,729.16 : 569,680.14 = 202,142.60 : x
  2. Step 2: Convert to fraction form
    379,729.16/569,680.14 = 202,142.60/x
  3. Step 3: Cross multiply
    379,729.16x = 569,680.14 × 202,142.60
  4. Step 4: Simplify right side
    379,729.16x = 115,156,624,667.96
  5. Step 5: Solve for x
    x = 115,156,624,667.96/379,729.16
  6. Step 6: Final answer
    x = 303,259.89

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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.