Home / 351,075.50-484,496.55-198,104.72

Finding the Fourth Proportional to 351,075.50, 484,496.55 and 198,104.72

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Solution

The fourth proportional to 351,075.50, 484,496.55 and 198,104.72 is: 273,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,075.50 : 484,496.55 = 198,104.72 : x
  2. Step 2: Convert to fraction form
    351,075.50/484,496.55 = 198,104.72/x
  3. Step 3: Cross multiply
    351,075.50x = 484,496.55 × 198,104.72
  4. Step 4: Simplify right side
    351,075.50x = 95,981,050,956.23
  5. Step 5: Solve for x
    x = 95,981,050,956.23/351,075.50
  6. Step 6: Final answer
    x = 273,391.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.