Home / 298,476.12-445,516.35-273,544.32

Finding the Fourth Proportional to 298,476.12, 445,516.35 and 273,544.32

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Solution

The fourth proportional to 298,476.12, 445,516.35 and 273,544.32 is: 408,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,476.12 : 445,516.35 = 273,544.32 : x
  2. Step 2: Convert to fraction form
    298,476.12/445,516.35 = 273,544.32/x
  3. Step 3: Cross multiply
    298,476.12x = 445,516.35 × 273,544.32
  4. Step 4: Simplify right side
    298,476.12x = 121,868,467,009.63
  5. Step 5: Solve for x
    x = 121,868,467,009.63/298,476.12
  6. Step 6: Final answer
    x = 408,302.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.