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Finding the Fourth Proportional to 184,950.16, 277,466.52 and 72,641.20

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Solution

The fourth proportional to 184,950.16, 277,466.52 and 72,641.20 is: 108,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,950.16 : 277,466.52 = 72,641.20 : x
  2. Step 2: Convert to fraction form
    184,950.16/277,466.52 = 72,641.20/x
  3. Step 3: Cross multiply
    184,950.16x = 277,466.52 × 72,641.20
  4. Step 4: Simplify right side
    184,950.16x = 20,155,500,972.62
  5. Step 5: Solve for x
    x = 20,155,500,972.62/184,950.16
  6. Step 6: Final answer
    x = 108,978.01

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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.