Home / 428,171.56-590,869.02-237,184.36

Finding the Fourth Proportional to 428,171.56, 590,869.02 and 237,184.36

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Solution

The fourth proportional to 428,171.56, 590,869.02 and 237,184.36 is: 327,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,171.56 : 590,869.02 = 237,184.36 : x
  2. Step 2: Convert to fraction form
    428,171.56/590,869.02 = 237,184.36/x
  3. Step 3: Cross multiply
    428,171.56x = 590,869.02 × 237,184.36
  4. Step 4: Simplify right side
    428,171.56x = 140,144,890,352.53
  5. Step 5: Solve for x
    x = 140,144,890,352.53/428,171.56
  6. Step 6: Final answer
    x = 327,310.13

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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.