Home / 328,198.03-492,297.08-103,575.98

Finding the Fourth Proportional to 328,198.03, 492,297.08 and 103,575.98

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Solution

The fourth proportional to 328,198.03, 492,297.08 and 103,575.98 is: 155,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,198.03 : 492,297.08 = 103,575.98 : x
  2. Step 2: Convert to fraction form
    328,198.03/492,297.08 = 103,575.98/x
  3. Step 3: Cross multiply
    328,198.03x = 492,297.08 × 103,575.98
  4. Step 4: Simplify right side
    328,198.03x = 50,990,153,225.00
  5. Step 5: Solve for x
    x = 50,990,153,225.00/328,198.03
  6. Step 6: Final answer
    x = 155,363.98

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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.