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Finding the Fourth Proportional to 301,673.98, 415,968.94 and 192,634.95

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Solution

The fourth proportional to 301,673.98, 415,968.94 and 192,634.95 is: 265,618.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,673.98 : 415,968.94 = 192,634.95 : x
  2. Step 2: Convert to fraction form
    301,673.98/415,968.94 = 192,634.95/x
  3. Step 3: Cross multiply
    301,673.98x = 415,968.94 × 192,634.95
  4. Step 4: Simplify right side
    301,673.98x = 80,130,154,157.11
  5. Step 5: Solve for x
    x = 80,130,154,157.11/301,673.98
  6. Step 6: Final answer
    x = 265,618.38

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1.5x scale

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.