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Finding the Fourth Proportional to 374,198.62, 561,041.74 and 134,307.20

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Solution

The fourth proportional to 374,198.62, 561,041.74 and 134,307.20 is: 201,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,198.62 : 561,041.74 = 134,307.20 : x
  2. Step 2: Convert to fraction form
    374,198.62/561,041.74 = 134,307.20/x
  3. Step 3: Cross multiply
    374,198.62x = 561,041.74 × 134,307.20
  4. Step 4: Simplify right side
    374,198.62x = 75,351,945,182.53
  5. Step 5: Solve for x
    x = 75,351,945,182.53/374,198.62
  6. Step 6: Final answer
    x = 201,368.85

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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.