Home / 335,918.80-503,867.40-111,289.60

Finding the Fourth Proportional to 335,918.80, 503,867.40 and 111,289.60

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Solution

The fourth proportional to 335,918.80, 503,867.40 and 111,289.60 is: 166,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,918.80 : 503,867.40 = 111,289.60 : x
  2. Step 2: Convert to fraction form
    335,918.80/503,867.40 = 111,289.60/x
  3. Step 3: Cross multiply
    335,918.80x = 503,867.40 × 111,289.60
  4. Step 4: Simplify right side
    335,918.80x = 56,075,201,399.04
  5. Step 5: Solve for x
    x = 56,075,201,399.04/335,918.80
  6. Step 6: Final answer
    x = 166,930.82

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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.