Home / 304,103.92-419,656.02-168,134.36

Finding the Fourth Proportional to 304,103.92, 419,656.02 and 168,134.36

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Solution

The fourth proportional to 304,103.92, 419,656.02 and 168,134.36 is: 232,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,103.92 : 419,656.02 = 168,134.36 : x
  2. Step 2: Convert to fraction form
    304,103.92/419,656.02 = 168,134.36/x
  3. Step 3: Cross multiply
    304,103.92x = 419,656.02 × 168,134.36
  4. Step 4: Simplify right side
    304,103.92x = 70,558,596,342.85
  5. Step 5: Solve for x
    x = 70,558,596,342.85/304,103.92
  6. Step 6: Final answer
    x = 232,021.33

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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.