Home / 248,941.37-343,487.57-145,555.67

Finding the Fourth Proportional to 248,941.37, 343,487.57 and 145,555.67

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Solution

The fourth proportional to 248,941.37, 343,487.57 and 145,555.67 is: 200,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,941.37 : 343,487.57 = 145,555.67 : x
  2. Step 2: Convert to fraction form
    248,941.37/343,487.57 = 145,555.67/x
  3. Step 3: Cross multiply
    248,941.37x = 343,487.57 × 145,555.67
  4. Step 4: Simplify right side
    248,941.37x = 49,996,560,942.81
  5. Step 5: Solve for x
    x = 49,996,560,942.81/248,941.37
  6. Step 6: Final answer
    x = 200,836.69

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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.