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Finding the Fourth Proportional to 243,438.40, 365,157.60 and 184,389.40

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Solution

The fourth proportional to 243,438.40, 365,157.60 and 184,389.40 is: 276,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,438.40 : 365,157.60 = 184,389.40 : x
  2. Step 2: Convert to fraction form
    243,438.40/365,157.60 = 184,389.40/x
  3. Step 3: Cross multiply
    243,438.40x = 365,157.60 × 184,389.40
  4. Step 4: Simplify right side
    243,438.40x = 67,331,190,769.44
  5. Step 5: Solve for x
    x = 67,331,190,769.44/243,438.40
  6. Step 6: Final answer
    x = 276,584.10

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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.