Home / 321,202.03-481,639.01-118,787.89

Finding the Fourth Proportional to 321,202.03, 481,639.01 and 118,787.89

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Solution

The fourth proportional to 321,202.03, 481,639.01 and 118,787.89 is: 178,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,202.03 : 481,639.01 = 118,787.89 : x
  2. Step 2: Convert to fraction form
    321,202.03/481,639.01 = 118,787.89/x
  3. Step 3: Cross multiply
    321,202.03x = 481,639.01 × 118,787.89
  4. Step 4: Simplify right side
    321,202.03x = 57,212,879,331.39
  5. Step 5: Solve for x
    x = 57,212,879,331.39/321,202.03
  6. Step 6: Final answer
    x = 178,121.17

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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.