Home / 414,541.00-621,938.41-212,280.31

Finding the Fourth Proportional to 414,541.00, 621,938.41 and 212,280.31

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Solution

The fourth proportional to 414,541.00, 621,938.41 and 212,280.31 is: 318,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,541.00 : 621,938.41 = 212,280.31 : x
  2. Step 2: Convert to fraction form
    414,541.00/621,938.41 = 212,280.31/x
  3. Step 3: Cross multiply
    414,541.00x = 621,938.41 × 212,280.31
  4. Step 4: Simplify right side
    414,541.00x = 132,025,280,215.03
  5. Step 5: Solve for x
    x = 132,025,280,215.03/414,541.00
  6. Step 6: Final answer
    x = 318,485.46

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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.