Finding the Fourth Proportional to 394,326.16, 544,170.35 and 213,037.99
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Solution
The fourth proportional to 394,326.16, 544,170.35 and 213,037.99 is: 293,992.56
Step by Step Solution
- Step 1: Write the proportion equation
394,326.16 : 544,170.35 = 213,037.99 : x - Step 2: Convert to fraction form
394,326.16/544,170.35 = 213,037.99/x - Step 3: Cross multiply
394,326.16x = 544,170.35 × 213,037.99 - Step 4: Simplify right side
394,326.16x = 115,928,956,753.77 - Step 5: Solve for x
x = 115,928,956,753.77/394,326.16 - Step 6: Final answer
x = 293,992.56
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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.