Finding the Fourth Proportional to 149,374.68, 206,136.84 and 82,306.68
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Solution
The fourth proportional to 149,374.68, 206,136.84 and 82,306.68 is: 113,583.10
Step by Step Solution
- Step 1: Write the proportion equation
149,374.68 : 206,136.84 = 82,306.68 : x - Step 2: Convert to fraction form
149,374.68/206,136.84 = 82,306.68/x - Step 3: Cross multiply
149,374.68x = 206,136.84 × 82,306.68 - Step 4: Simplify right side
149,374.68x = 16,966,438,926.09 - Step 5: Solve for x
x = 16,966,438,926.09/149,374.68 - Step 6: Final answer
x = 113,583.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.