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Finding the Fourth Proportional to 254,627.66, 351,388.65 and 139,904.46

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Solution

The fourth proportional to 254,627.66, 351,388.65 and 139,904.46 is: 193,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,627.66 : 351,388.65 = 139,904.46 : x
  2. Step 2: Convert to fraction form
    254,627.66/351,388.65 = 139,904.46/x
  3. Step 3: Cross multiply
    254,627.66x = 351,388.65 × 139,904.46
  4. Step 4: Simplify right side
    254,627.66x = 49,160,839,328.38
  5. Step 5: Solve for x
    x = 49,160,839,328.38/254,627.66
  6. Step 6: Final answer
    x = 193,069.52

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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.