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Finding the Fourth Proportional to 365,300.70, 504,111.03 and 201,956.51

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Solution

The fourth proportional to 365,300.70, 504,111.03 and 201,956.51 is: 278,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,300.70 : 504,111.03 = 201,956.51 : x
  2. Step 2: Convert to fraction form
    365,300.70/504,111.03 = 201,956.51/x
  3. Step 3: Cross multiply
    365,300.70x = 504,111.03 × 201,956.51
  4. Step 4: Simplify right side
    365,300.70x = 101,808,501,750.75
  5. Step 5: Solve for x
    x = 101,808,501,750.75/365,300.70
  6. Step 6: Final answer
    x = 278,697.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.