Home / 428,429.44-591,232.66-237,455.13

Finding the Fourth Proportional to 428,429.44, 591,232.66 and 237,455.13

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Solution

The fourth proportional to 428,429.44, 591,232.66 and 237,455.13 is: 327,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,429.44 : 591,232.66 = 237,455.13 : x
  2. Step 2: Convert to fraction form
    428,429.44/591,232.66 = 237,455.13/x
  3. Step 3: Cross multiply
    428,429.44x = 591,232.66 × 237,455.13
  4. Step 4: Simplify right side
    428,429.44x = 140,391,228,140.55
  5. Step 5: Solve for x
    x = 140,391,228,140.55/428,429.44
  6. Step 6: Final answer
    x = 327,688.10

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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.