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Finding the Fourth Proportional to 254,694.72, 351,458.13 and 147,271.71

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Solution

The fourth proportional to 254,694.72, 351,458.13 and 147,271.71 is: 203,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,694.72 : 351,458.13 = 147,271.71 : x
  2. Step 2: Convert to fraction form
    254,694.72/351,458.13 = 147,271.71/x
  3. Step 3: Cross multiply
    254,694.72x = 351,458.13 × 147,271.71
  4. Step 4: Simplify right side
    254,694.72x = 51,759,839,798.50
  5. Step 5: Solve for x
    x = 51,759,839,798.50/254,694.72
  6. Step 6: Final answer
    x = 203,223.06

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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.