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Finding the Fourth Proportional to 184,148.28, 276,280.80 and 65,817

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Solution

The fourth proportional to 184,148.28, 276,280.80 and 65,817 is: 98,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,148.28 : 276,280.80 = 65,817 : x
  2. Step 2: Convert to fraction form
    184,148.28/276,280.80 = 65,817/x
  3. Step 3: Cross multiply
    184,148.28x = 276,280.80 × 65,817
  4. Step 4: Simplify right side
    184,148.28x = 18,183,973,413.60
  5. Step 5: Solve for x
    x = 18,183,973,413.60/184,148.28
  6. Step 6: Final answer
    x = 98,746.37

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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.