Finding the Fourth Proportional to 99,353.70, 148,704.75 and 54,306.05
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Solution
The fourth proportional to 99,353.70, 148,704.75 and 54,306.05 is: 81,280.99
Step by Step Solution
- Step 1: Write the proportion equation
99,353.70 : 148,704.75 = 54,306.05 : x - Step 2: Convert to fraction form
99,353.70/148,704.75 = 54,306.05/x - Step 3: Cross multiply
99,353.70x = 148,704.75 × 54,306.05 - Step 4: Simplify right side
99,353.70x = 8,075,566,845.21 - Step 5: Solve for x
x = 8,075,566,845.21/99,353.70 - Step 6: Final answer
x = 81,280.99
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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.