Home / 429,268.14-643,901.67-163,028.16

Finding the Fourth Proportional to 429,268.14, 643,901.67 and 163,028.16

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Solution

The fourth proportional to 429,268.14, 643,901.67 and 163,028.16 is: 244,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,268.14 : 643,901.67 = 163,028.16 : x
  2. Step 2: Convert to fraction form
    429,268.14/643,901.67 = 163,028.16/x
  3. Step 3: Cross multiply
    429,268.14x = 643,901.67 × 163,028.16
  4. Step 4: Simplify right side
    429,268.14x = 104,974,104,481.03
  5. Step 5: Solve for x
    x = 104,974,104,481.03/429,268.14
  6. Step 6: Final answer
    x = 244,542.03

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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.