Home / 268,784.60-403,004.10-111,075.80

Finding the Fourth Proportional to 268,784.60, 403,004.10 and 111,075.80

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Solution

The fourth proportional to 268,784.60, 403,004.10 and 111,075.80 is: 166,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,784.60 : 403,004.10 = 111,075.80 : x
  2. Step 2: Convert to fraction form
    268,784.60/403,004.10 = 111,075.80/x
  3. Step 3: Cross multiply
    268,784.60x = 403,004.10 × 111,075.80
  4. Step 4: Simplify right side
    268,784.60x = 44,764,002,810.78
  5. Step 5: Solve for x
    x = 44,764,002,810.78/268,784.60
  6. Step 6: Final answer
    x = 166,542.29

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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.