Finding the Fourth Proportional to 206,374.57, 309,497.99 and 99,692.26
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Solution
The fourth proportional to 206,374.57, 309,497.99 and 99,692.26 is: 149,507.54
Step by Step Solution
- Step 1: Write the proportion equation
206,374.57 : 309,497.99 = 99,692.26 : x - Step 2: Convert to fraction form
206,374.57/309,497.99 = 99,692.26/x - Step 3: Cross multiply
206,374.57x = 309,497.99 × 99,692.26 - Step 4: Simplify right side
206,374.57x = 30,854,554,088.56 - Step 5: Solve for x
x = 30,854,554,088.56/206,374.57 - Step 6: Final answer
x = 149,507.54
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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.