Finding the Fourth Proportional to 394,823.22, 544,604.97 and 258,865.92
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Solution
The fourth proportional to 394,823.22, 544,604.97 and 258,865.92 is: 357,070.35
Step by Step Solution
- Step 1: Write the proportion equation
394,823.22 : 544,604.97 = 258,865.92 : x - Step 2: Convert to fraction form
394,823.22/544,604.97 = 258,865.92/x - Step 3: Cross multiply
394,823.22x = 544,604.97 × 258,865.92 - Step 4: Simplify right side
394,823.22x = 140,979,666,595.62 - Step 5: Solve for x
x = 140,979,666,595.62/394,823.22 - Step 6: Final answer
x = 357,070.35
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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.