Home / 216,278.10-324,450.87-103,937.38

Finding the Fourth Proportional to 216,278.10, 324,450.87 and 103,937.38

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Solution

The fourth proportional to 216,278.10, 324,450.87 and 103,937.38 is: 155,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,278.10 : 324,450.87 = 103,937.38 : x
  2. Step 2: Convert to fraction form
    216,278.10/324,450.87 = 103,937.38/x
  3. Step 3: Cross multiply
    216,278.10x = 324,450.87 × 103,937.38
  4. Step 4: Simplify right side
    216,278.10x = 33,722,572,165.63
  5. Step 5: Solve for x
    x = 33,722,572,165.63/216,278.10
  6. Step 6: Final answer
    x = 155,922.27

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1.5x scale

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.