Home / 318,110.94-476,986.25-104,821.02

Finding the Fourth Proportional to 318,110.94, 476,986.25 and 104,821.02

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Solution

The fourth proportional to 318,110.94, 476,986.25 and 104,821.02 is: 157,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,110.94 : 476,986.25 = 104,821.02 : x
  2. Step 2: Convert to fraction form
    318,110.94/476,986.25 = 104,821.02/x
  3. Step 3: Cross multiply
    318,110.94x = 476,986.25 × 104,821.02
  4. Step 4: Simplify right side
    318,110.94x = 49,998,184,726.87
  5. Step 5: Solve for x
    x = 49,998,184,726.87/318,110.94
  6. Step 6: Final answer
    x = 157,172.16

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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.