Home / 412,632.76-618,745.02-146,353.36

Finding the Fourth Proportional to 412,632.76, 618,745.02 and 146,353.36

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Solution

The fourth proportional to 412,632.76, 618,745.02 and 146,353.36 is: 219,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,632.76 : 618,745.02 = 146,353.36 : x
  2. Step 2: Convert to fraction form
    412,632.76/618,745.02 = 146,353.36/x
  3. Step 3: Cross multiply
    412,632.76x = 618,745.02 × 146,353.36
  4. Step 4: Simplify right side
    412,632.76x = 90,555,412,660.27
  5. Step 5: Solve for x
    x = 90,555,412,660.27/412,632.76
  6. Step 6: Final answer
    x = 219,457.64

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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.