Finding the Fourth Proportional to 218,103.98, 327,156.09 and 68,355.94
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Solution
The fourth proportional to 218,103.98, 327,156.09 and 68,355.94 is: 102,533.95
Step by Step Solution
- Step 1: Write the proportion equation
218,103.98 : 327,156.09 = 68,355.94 : x - Step 2: Convert to fraction form
218,103.98/327,156.09 = 68,355.94/x - Step 3: Cross multiply
218,103.98x = 327,156.09 × 68,355.94 - Step 4: Simplify right side
218,103.98x = 22,363,062,058.67 - Step 5: Solve for x
x = 22,363,062,058.67/218,103.98 - Step 6: Final answer
x = 102,533.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.