Home / 428,152.28-590,850.12-237,178.04

Finding the Fourth Proportional to 428,152.28, 590,850.12 and 237,178.04

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Solution

The fourth proportional to 428,152.28, 590,850.12 and 237,178.04 is: 327,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,152.28 : 590,850.12 = 237,178.04 : x
  2. Step 2: Convert to fraction form
    428,152.28/590,850.12 = 237,178.04/x
  3. Step 3: Cross multiply
    428,152.28x = 590,850.12 × 237,178.04
  4. Step 4: Simplify right side
    428,152.28x = 140,136,673,395.37
  5. Step 5: Solve for x
    x = 140,136,673,395.37/428,152.28
  6. Step 6: Final answer
    x = 327,305.68

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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.