Home / 325,485.38-449,066.04-210,851.90

Finding the Fourth Proportional to 325,485.38, 449,066.04 and 210,851.90

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Solution

The fourth proportional to 325,485.38, 449,066.04 and 210,851.90 is: 290,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,485.38 : 449,066.04 = 210,851.90 : x
  2. Step 2: Convert to fraction form
    325,485.38/449,066.04 = 210,851.90/x
  3. Step 3: Cross multiply
    325,485.38x = 449,066.04 × 210,851.90
  4. Step 4: Simplify right side
    325,485.38x = 94,686,426,407.45
  5. Step 5: Solve for x
    x = 94,686,426,407.45/325,485.38
  6. Step 6: Final answer
    x = 290,908.38

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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.