Home / 374,211.20-561,207.45-134,297.30

Finding the Fourth Proportional to 374,211.20, 561,207.45 and 134,297.30

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Solution

The fourth proportional to 374,211.20, 561,207.45 and 134,297.30 is: 201,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,211.20 : 561,207.45 = 134,297.30 : x
  2. Step 2: Convert to fraction form
    374,211.20/561,207.45 = 134,297.30/x
  3. Step 3: Cross multiply
    374,211.20x = 561,207.45 × 134,297.30
  4. Step 4: Simplify right side
    374,211.20x = 75,368,645,274.89
  5. Step 5: Solve for x
    x = 75,368,645,274.89/374,211.20
  6. Step 6: Final answer
    x = 201,406.71

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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.