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Finding the Fourth Proportional to 184,433.70, 276,650.55 and 121,448.10

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Solution

The fourth proportional to 184,433.70, 276,650.55 and 121,448.10 is: 182,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,433.70 : 276,650.55 = 121,448.10 : x
  2. Step 2: Convert to fraction form
    184,433.70/276,650.55 = 121,448.10/x
  3. Step 3: Cross multiply
    184,433.70x = 276,650.55 × 121,448.10
  4. Step 4: Simplify right side
    184,433.70x = 33,598,683,661.46
  5. Step 5: Solve for x
    x = 33,598,683,661.46/184,433.70
  6. Step 6: Final answer
    x = 182,172.15

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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.