Finding the Fourth Proportional to 359,663.12, 496,260.99 and 206,671.75
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Solution
The fourth proportional to 359,663.12, 496,260.99 and 206,671.75 is: 285,164.42
Step by Step Solution
- Step 1: Write the proportion equation
359,663.12 : 496,260.99 = 206,671.75 : x - Step 2: Convert to fraction form
359,663.12/496,260.99 = 206,671.75/x - Step 3: Cross multiply
359,663.12x = 496,260.99 × 206,671.75 - Step 4: Simplify right side
359,663.12x = 102,563,124,778.73 - Step 5: Solve for x
x = 102,563,124,778.73/359,663.12 - Step 6: Final answer
x = 285,164.42
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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.