Home / 216,317.98-324,121.13-74,084.82

Finding the Fourth Proportional to 216,317.98, 324,121.13 and 74,084.82

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Solution

The fourth proportional to 216,317.98, 324,121.13 and 74,084.82 is: 111,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,317.98 : 324,121.13 = 74,084.82 : x
  2. Step 2: Convert to fraction form
    216,317.98/324,121.13 = 74,084.82/x
  3. Step 3: Cross multiply
    216,317.98x = 324,121.13 × 74,084.82
  4. Step 4: Simplify right side
    216,317.98x = 24,012,455,574.25
  5. Step 5: Solve for x
    x = 24,012,455,574.25/216,317.98
  6. Step 6: Final answer
    x = 111,005.36

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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.