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Finding the Fourth Proportional to 277,222.77, 415,878.96 and 108,651.63

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Solution

The fourth proportional to 277,222.77, 415,878.96 and 108,651.63 is: 162,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,222.77 : 415,878.96 = 108,651.63 : x
  2. Step 2: Convert to fraction form
    277,222.77/415,878.96 = 108,651.63/x
  3. Step 3: Cross multiply
    277,222.77x = 415,878.96 × 108,651.63
  4. Step 4: Simplify right side
    277,222.77x = 45,185,926,886.70
  5. Step 5: Solve for x
    x = 45,185,926,886.70/277,222.77
  6. Step 6: Final answer
    x = 162,995.01

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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.