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Finding the Fourth Proportional to 483,047.53, 666,574.74 and 268,187.54

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Solution

The fourth proportional to 483,047.53, 666,574.74 and 268,187.54 is: 370,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,047.53 : 666,574.74 = 268,187.54 : x
  2. Step 2: Convert to fraction form
    483,047.53/666,574.74 = 268,187.54/x
  3. Step 3: Cross multiply
    483,047.53x = 666,574.74 × 268,187.54
  4. Step 4: Simplify right side
    483,047.53x = 178,767,036,413.87
  5. Step 5: Solve for x
    x = 178,767,036,413.87/483,047.53
  6. Step 6: Final answer
    x = 370,081.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.