Home / 304,814.33-420,647.14-168,850.36

Finding the Fourth Proportional to 304,814.33, 420,647.14 and 168,850.36

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Solution

The fourth proportional to 304,814.33, 420,647.14 and 168,850.36 is: 233,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,814.33 : 420,647.14 = 168,850.36 : x
  2. Step 2: Convert to fraction form
    304,814.33/420,647.14 = 168,850.36/x
  3. Step 3: Cross multiply
    304,814.33x = 420,647.14 × 168,850.36
  4. Step 4: Simplify right side
    304,814.33x = 71,026,421,021.97
  5. Step 5: Solve for x
    x = 71,026,421,021.97/304,814.33
  6. Step 6: Final answer
    x = 233,015.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.