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Finding the Fourth Proportional to 239,034.32, 330,163.58 and 173,518.58

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Solution

The fourth proportional to 239,034.32, 330,163.58 and 173,518.58 is: 239,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,034.32 : 330,163.58 = 173,518.58 : x
  2. Step 2: Convert to fraction form
    239,034.32/330,163.58 = 173,518.58/x
  3. Step 3: Cross multiply
    239,034.32x = 330,163.58 × 173,518.58
  4. Step 4: Simplify right side
    239,034.32x = 57,289,515,569.32
  5. Step 5: Solve for x
    x = 57,289,515,569.32/239,034.32
  6. Step 6: Final answer
    x = 239,670.67

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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.