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Finding the Fourth Proportional to 184,169.72, 276,253.56 and 47,392.72

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Solution

The fourth proportional to 184,169.72, 276,253.56 and 47,392.72 is: 71,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,169.72 : 276,253.56 = 47,392.72 : x
  2. Step 2: Convert to fraction form
    184,169.72/276,253.56 = 47,392.72/x
  3. Step 3: Cross multiply
    184,169.72x = 276,253.56 × 47,392.72
  4. Step 4: Simplify right side
    184,169.72x = 13,092,406,927.45
  5. Step 5: Solve for x
    x = 13,092,406,927.45/184,169.72
  6. Step 6: Final answer
    x = 71,088.81

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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.