Home / 245,835.37-339,252.71-143,880.24

Finding the Fourth Proportional to 245,835.37, 339,252.71 and 143,880.24

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Solution

The fourth proportional to 245,835.37, 339,252.71 and 143,880.24 is: 198,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,835.37 : 339,252.71 = 143,880.24 : x
  2. Step 2: Convert to fraction form
    245,835.37/339,252.71 = 143,880.24/x
  3. Step 3: Cross multiply
    245,835.37x = 339,252.71 × 143,880.24
  4. Step 4: Simplify right side
    245,835.37x = 48,811,760,789.28
  5. Step 5: Solve for x
    x = 48,811,760,789.28/245,835.37
  6. Step 6: Final answer
    x = 198,554.67

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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.