Home / 412,631.01-618,742.40-146,351.61

Finding the Fourth Proportional to 412,631.01, 618,742.40 and 146,351.61

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Solution

The fourth proportional to 412,631.01, 618,742.40 and 146,351.61 is: 219,455.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,631.01 : 618,742.40 = 146,351.61 : x
  2. Step 2: Convert to fraction form
    412,631.01/618,742.40 = 146,351.61/x
  3. Step 3: Cross multiply
    412,631.01x = 618,742.40 × 146,351.61
  4. Step 4: Simplify right side
    412,631.01x = 90,553,945,683.51
  5. Step 5: Solve for x
    x = 90,553,945,683.51/412,631.01
  6. Step 6: Final answer
    x = 219,455.02

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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.