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Finding the Fourth Proportional to 360,020.80, 540,614.40 and 202,556.80

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Solution

The fourth proportional to 360,020.80, 540,614.40 and 202,556.80 is: 304,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,020.80 : 540,614.40 = 202,556.80 : x
  2. Step 2: Convert to fraction form
    360,020.80/540,614.40 = 202,556.80/x
  3. Step 3: Cross multiply
    360,020.80x = 540,614.40 × 202,556.80
  4. Step 4: Simplify right side
    360,020.80x = 109,505,122,897.92
  5. Step 5: Solve for x
    x = 109,505,122,897.92/360,020.80
  6. Step 6: Final answer
    x = 304,163.32

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1.5x scale

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.