Finding the Fourth Proportional to 218,430.06, 327,644.70 and 68,683.41
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Solution
The fourth proportional to 218,430.06, 327,644.70 and 68,683.41 is: 103,024.99
Step by Step Solution
- Step 1: Write the proportion equation
218,430.06 : 327,644.70 = 68,683.41 : x - Step 2: Convert to fraction form
218,430.06/327,644.70 = 68,683.41/x - Step 3: Cross multiply
218,430.06x = 327,644.70 × 68,683.41 - Step 4: Simplify right side
218,430.06x = 22,503,755,264.43 - Step 5: Solve for x
x = 22,503,755,264.43/218,430.06 - Step 6: Final answer
x = 103,024.99
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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.