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Finding the Fourth Proportional to 228,003.10, 342,004.65 and 201,759.10

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Solution

The fourth proportional to 228,003.10, 342,004.65 and 201,759.10 is: 302,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,003.10 : 342,004.65 = 201,759.10 : x
  2. Step 2: Convert to fraction form
    228,003.10/342,004.65 = 201,759.10/x
  3. Step 3: Cross multiply
    228,003.10x = 342,004.65 × 201,759.10
  4. Step 4: Simplify right side
    228,003.10x = 69,002,550,379.82
  5. Step 5: Solve for x
    x = 69,002,550,379.82/228,003.10
  6. Step 6: Final answer
    x = 302,638.65

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1.5x scale

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.