Home / 277,113.26-415,068.39-170,172.68

Finding the Fourth Proportional to 277,113.26, 415,068.39 and 170,172.68

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Solution

The fourth proportional to 277,113.26, 415,068.39 and 170,172.68 is: 254,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,113.26 : 415,068.39 = 170,172.68 : x
  2. Step 2: Convert to fraction form
    277,113.26/415,068.39 = 170,172.68/x
  3. Step 3: Cross multiply
    277,113.26x = 415,068.39 × 170,172.68
  4. Step 4: Simplify right side
    277,113.26x = 70,633,300,309.59
  5. Step 5: Solve for x
    x = 70,633,300,309.59/277,113.26
  6. Step 6: Final answer
    x = 254,889.64

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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.