Home / 412,947.45-618,898.68-235,554.21

Finding the Fourth Proportional to 412,947.45, 618,898.68 and 235,554.21

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Solution

The fourth proportional to 412,947.45, 618,898.68 and 235,554.21 is: 353,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,947.45 : 618,898.68 = 235,554.21 : x
  2. Step 2: Convert to fraction form
    412,947.45/618,898.68 = 235,554.21/x
  3. Step 3: Cross multiply
    412,947.45x = 618,898.68 × 235,554.21
  4. Step 4: Simplify right side
    412,947.45x = 145,784,189,637.44
  5. Step 5: Solve for x
    x = 145,784,189,637.44/412,947.45
  6. Step 6: Final answer
    x = 353,033.27

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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.