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Finding the Fourth Proportional to 437,718.64, 656,122.68 and 184,788.04

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Solution

The fourth proportional to 437,718.64, 656,122.68 and 184,788.04 is: 276,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,718.64 : 656,122.68 = 184,788.04 : x
  2. Step 2: Convert to fraction form
    437,718.64/656,122.68 = 184,788.04/x
  3. Step 3: Cross multiply
    437,718.64x = 656,122.68 × 184,788.04
  4. Step 4: Simplify right side
    437,718.64x = 121,243,624,036.75
  5. Step 5: Solve for x
    x = 121,243,624,036.75/437,718.64
  6. Step 6: Final answer
    x = 276,989.86

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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.