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Finding the Fourth Proportional to 271,900.80, 407,840.40 and 94,448.16

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Solution

The fourth proportional to 271,900.80, 407,840.40 and 94,448.16 is: 141,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,900.80 : 407,840.40 = 94,448.16 : x
  2. Step 2: Convert to fraction form
    271,900.80/407,840.40 = 94,448.16/x
  3. Step 3: Cross multiply
    271,900.80x = 407,840.40 × 94,448.16
  4. Step 4: Simplify right side
    271,900.80x = 38,519,775,353.66
  5. Step 5: Solve for x
    x = 38,519,775,353.66/271,900.80
  6. Step 6: Final answer
    x = 141,668.49

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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.