Home / 281,729.23-422,597.07-101,828.32

Finding the Fourth Proportional to 281,729.23, 422,597.07 and 101,828.32

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Solution

The fourth proportional to 281,729.23, 422,597.07 and 101,828.32 is: 152,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,729.23 : 422,597.07 = 101,828.32 : x
  2. Step 2: Convert to fraction form
    281,729.23/422,597.07 = 101,828.32/x
  3. Step 3: Cross multiply
    281,729.23x = 422,597.07 × 101,828.32
  4. Step 4: Simplify right side
    281,729.23x = 43,032,348,618.53
  5. Step 5: Solve for x
    x = 43,032,348,618.53/281,729.23
  6. Step 6: Final answer
    x = 152,743.64

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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.