Home / 300,824.40-415,085.04-171,703.92

Finding the Fourth Proportional to 300,824.40, 415,085.04 and 171,703.92

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Solution

The fourth proportional to 300,824.40, 415,085.04 and 171,703.92 is: 236,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,824.40 : 415,085.04 = 171,703.92 : x
  2. Step 2: Convert to fraction form
    300,824.40/415,085.04 = 171,703.92/x
  3. Step 3: Cross multiply
    300,824.40x = 415,085.04 × 171,703.92
  4. Step 4: Simplify right side
    300,824.40x = 71,271,728,501.36
  5. Step 5: Solve for x
    x = 71,271,728,501.36/300,824.40
  6. Step 6: Final answer
    x = 236,921.37

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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.