Home / 324,769.63-487,290.69-144,731.03

Finding the Fourth Proportional to 324,769.63, 487,290.69 and 144,731.03

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Solution

The fourth proportional to 324,769.63, 487,290.69 and 144,731.03 is: 217,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,769.63 : 487,290.69 = 144,731.03 : x
  2. Step 2: Convert to fraction form
    324,769.63/487,290.69 = 144,731.03/x
  3. Step 3: Cross multiply
    324,769.63x = 487,290.69 × 144,731.03
  4. Step 4: Simplify right side
    324,769.63x = 70,526,082,203.63
  5. Step 5: Solve for x
    x = 70,526,082,203.63/324,769.63
  6. Step 6: Final answer
    x = 217,157.26

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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.