Finding the Fourth Proportional to 193,687.70, 290,531.55 and 68,983.70
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Solution
The fourth proportional to 193,687.70, 290,531.55 and 68,983.70 is: 103,475.55
Step by Step Solution
- Step 1: Write the proportion equation
193,687.70 : 290,531.55 = 68,983.70 : x - Step 2: Convert to fraction form
193,687.70/290,531.55 = 68,983.70/x - Step 3: Cross multiply
193,687.70x = 290,531.55 × 68,983.70 - Step 4: Simplify right side
193,687.70x = 20,041,941,285.74 - Step 5: Solve for x
x = 20,041,941,285.74/193,687.70 - Step 6: Final answer
x = 103,475.55
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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.