Home / 262,678.21-393,775.00-102,862.98

Finding the Fourth Proportional to 262,678.21, 393,775.00 and 102,862.98

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Solution

The fourth proportional to 262,678.21, 393,775.00 and 102,862.98 is: 154,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,678.21 : 393,775.00 = 102,862.98 : x
  2. Step 2: Convert to fraction form
    262,678.21/393,775.00 = 102,862.98/x
  3. Step 3: Cross multiply
    262,678.21x = 393,775.00 × 102,862.98
  4. Step 4: Simplify right side
    262,678.21x = 40,504,869,692.34
  5. Step 5: Solve for x
    x = 40,504,869,692.34/262,678.21
  6. Step 6: Final answer
    x = 154,199.58

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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.