Home / 274,731.81-412,050.46-82,603.32

Finding the Fourth Proportional to 274,731.81, 412,050.46 and 82,603.32

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Solution

The fourth proportional to 274,731.81, 412,050.46 and 82,603.32 is: 123,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,731.81 : 412,050.46 = 82,603.32 : x
  2. Step 2: Convert to fraction form
    274,731.81/412,050.46 = 82,603.32/x
  3. Step 3: Cross multiply
    274,731.81x = 412,050.46 × 82,603.32
  4. Step 4: Simplify right side
    274,731.81x = 34,036,736,003.53
  5. Step 5: Solve for x
    x = 34,036,736,003.53/274,731.81
  6. Step 6: Final answer
    x = 123,890.77

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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.