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Finding the Fourth Proportional to 254,692.67, 351,452.93 and 139,969.94

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Solution

The fourth proportional to 254,692.67, 351,452.93 and 139,969.94 is: 193,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,692.67 : 351,452.93 = 139,969.94 : x
  2. Step 2: Convert to fraction form
    254,692.67/351,452.93 = 139,969.94/x
  3. Step 3: Cross multiply
    254,692.67x = 351,452.93 × 139,969.94
  4. Step 4: Simplify right side
    254,692.67x = 49,192,843,067.81
  5. Step 5: Solve for x
    x = 49,192,843,067.81/254,692.67
  6. Step 6: Final answer
    x = 193,145.90

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1.5x scale

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.