Home / 296,986.60-445,091.10-263,549.80

Finding the Fourth Proportional to 296,986.60, 445,091.10 and 263,549.80

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Solution

The fourth proportional to 296,986.60, 445,091.10 and 263,549.80 is: 394,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,986.60 : 445,091.10 = 263,549.80 : x
  2. Step 2: Convert to fraction form
    296,986.60/445,091.10 = 263,549.80/x
  3. Step 3: Cross multiply
    296,986.60x = 445,091.10 × 263,549.80
  4. Step 4: Simplify right side
    296,986.60x = 117,303,670,386.78
  5. Step 5: Solve for x
    x = 117,303,670,386.78/296,986.60
  6. Step 6: Final answer
    x = 394,979.67

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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.