Home / 293,789.88-405,407.16-166,485.42

Finding the Fourth Proportional to 293,789.88, 405,407.16 and 166,485.42

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Solution

The fourth proportional to 293,789.88, 405,407.16 and 166,485.42 is: 229,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,789.88 : 405,407.16 = 166,485.42 : x
  2. Step 2: Convert to fraction form
    293,789.88/405,407.16 = 166,485.42/x
  3. Step 3: Cross multiply
    293,789.88x = 405,407.16 × 166,485.42
  4. Step 4: Simplify right side
    293,789.88x = 67,494,381,303.61
  5. Step 5: Solve for x
    x = 67,494,381,303.61/293,789.88
  6. Step 6: Final answer
    x = 229,736.92

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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.