Home / 202,904.78-304,354.09-69,786.19

Finding the Fourth Proportional to 202,904.78, 304,354.09 and 69,786.19

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Solution

The fourth proportional to 202,904.78, 304,354.09 and 69,786.19 is: 104,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,904.78 : 304,354.09 = 69,786.19 : x
  2. Step 2: Convert to fraction form
    202,904.78/304,354.09 = 69,786.19/x
  3. Step 3: Cross multiply
    202,904.78x = 304,354.09 × 69,786.19
  4. Step 4: Simplify right side
    202,904.78x = 21,239,712,352.02
  5. Step 5: Solve for x
    x = 21,239,712,352.02/202,904.78
  6. Step 6: Final answer
    x = 104,678.23

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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.