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Finding the Fourth Proportional to 254,466.56, 351,137.43 and 147,070.89

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Solution

The fourth proportional to 254,466.56, 351,137.43 and 147,070.89 is: 202,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,466.56 : 351,137.43 = 147,070.89 : x
  2. Step 2: Convert to fraction form
    254,466.56/351,137.43 = 147,070.89/x
  3. Step 3: Cross multiply
    254,466.56x = 351,137.43 × 147,070.89
  4. Step 4: Simplify right side
    254,466.56x = 51,642,094,342.41
  5. Step 5: Solve for x
    x = 51,642,094,342.41/254,466.56
  6. Step 6: Final answer
    x = 202,942.55

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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.