Home / 428,201.67-590,875.23-237,179.37

Finding the Fourth Proportional to 428,201.67, 590,875.23 and 237,179.37

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Solution

The fourth proportional to 428,201.67, 590,875.23 and 237,179.37 is: 327,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,201.67 : 590,875.23 = 237,179.37 : x
  2. Step 2: Convert to fraction form
    428,201.67/590,875.23 = 237,179.37/x
  3. Step 3: Cross multiply
    428,201.67x = 590,875.23 × 237,179.37
  4. Step 4: Simplify right side
    428,201.67x = 140,143,414,800.01
  5. Step 5: Solve for x
    x = 140,143,414,800.01/428,201.67
  6. Step 6: Final answer
    x = 327,283.67

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1.5x scale

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.