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Finding the Fourth Proportional to 343,864.60, 516,015.60 and 201,709.60

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Solution

The fourth proportional to 343,864.60, 516,015.60 and 201,709.60 is: 302,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,864.60 : 516,015.60 = 201,709.60 : x
  2. Step 2: Convert to fraction form
    343,864.60/516,015.60 = 201,709.60/x
  3. Step 3: Cross multiply
    343,864.60x = 516,015.60 × 201,709.60
  4. Step 4: Simplify right side
    343,864.60x = 104,085,300,269.76
  5. Step 5: Solve for x
    x = 104,085,300,269.76/343,864.60
  6. Step 6: Final answer
    x = 302,692.69

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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.