Home / 255,611.20-383,154.24-115,467.52

Finding the Fourth Proportional to 255,611.20, 383,154.24 and 115,467.52

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Solution

The fourth proportional to 255,611.20, 383,154.24 and 115,467.52 is: 173,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,611.20 : 383,154.24 = 115,467.52 : x
  2. Step 2: Convert to fraction form
    255,611.20/383,154.24 = 115,467.52/x
  3. Step 3: Cross multiply
    255,611.20x = 383,154.24 × 115,467.52
  4. Step 4: Simplify right side
    255,611.20x = 44,241,869,870.28
  5. Step 5: Solve for x
    x = 44,241,869,870.28/255,611.20
  6. Step 6: Final answer
    x = 173,082.67

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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.