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Finding the Fourth Proportional to 328,675.86, 492,964.32 and 104,007.06

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Solution

The fourth proportional to 328,675.86, 492,964.32 and 104,007.06 is: 155,994.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,675.86 : 492,964.32 = 104,007.06 : x
  2. Step 2: Convert to fraction form
    328,675.86/492,964.32 = 104,007.06/x
  3. Step 3: Cross multiply
    328,675.86x = 492,964.32 × 104,007.06
  4. Step 4: Simplify right side
    328,675.86x = 51,271,769,608.10
  5. Step 5: Solve for x
    x = 51,271,769,608.10/328,675.86
  6. Step 6: Final answer
    x = 155,994.94

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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.