Home / 254,485.80-351,222.66-153,939.24

Finding the Fourth Proportional to 254,485.80, 351,222.66 and 153,939.24

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Solution

The fourth proportional to 254,485.80, 351,222.66 and 153,939.24 is: 212,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,485.80 : 351,222.66 = 153,939.24 : x
  2. Step 2: Convert to fraction form
    254,485.80/351,222.66 = 153,939.24/x
  3. Step 3: Cross multiply
    254,485.80x = 351,222.66 × 153,939.24
  4. Step 4: Simplify right side
    254,485.80x = 54,066,949,351.18
  5. Step 5: Solve for x
    x = 54,066,949,351.18/254,485.80
  6. Step 6: Final answer
    x = 212,455.66

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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.