Home / 277,212.51-415,815.12-66,848.76

Finding the Fourth Proportional to 277,212.51, 415,815.12 and 66,848.76

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Solution

The fourth proportional to 277,212.51, 415,815.12 and 66,848.76 is: 100,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,212.51 : 415,815.12 = 66,848.76 : x
  2. Step 2: Convert to fraction form
    277,212.51/415,815.12 = 66,848.76/x
  3. Step 3: Cross multiply
    277,212.51x = 415,815.12 × 66,848.76
  4. Step 4: Simplify right side
    277,212.51x = 27,796,725,161.25
  5. Step 5: Solve for x
    x = 27,796,725,161.25/277,212.51
  6. Step 6: Final answer
    x = 100,272.26

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1.5x scale

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.