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Finding the Fourth Proportional to 329,133.51, 493,675.63 and 118,771.44

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Solution

The fourth proportional to 329,133.51, 493,675.63 and 118,771.44 is: 178,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,133.51 : 493,675.63 = 118,771.44 : x
  2. Step 2: Convert to fraction form
    329,133.51/493,675.63 = 118,771.44/x
  3. Step 3: Cross multiply
    329,133.51x = 493,675.63 × 118,771.44
  4. Step 4: Simplify right side
    329,133.51x = 58,634,565,468.01
  5. Step 5: Solve for x
    x = 58,634,565,468.01/329,133.51
  6. Step 6: Final answer
    x = 178,148.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.