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Finding the Fourth Proportional to 254,208.41, 350,807.47 and 139,487.79

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Solution

The fourth proportional to 254,208.41, 350,807.47 and 139,487.79 is: 192,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,208.41 : 350,807.47 = 139,487.79 : x
  2. Step 2: Convert to fraction form
    254,208.41/350,807.47 = 139,487.79/x
  3. Step 3: Cross multiply
    254,208.41x = 350,807.47 × 139,487.79
  4. Step 4: Simplify right side
    254,208.41x = 48,933,358,357.07
  5. Step 5: Solve for x
    x = 48,933,358,357.07/254,208.41
  6. Step 6: Final answer
    x = 192,493.08

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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.