Finding the Fourth Proportional to 209,560.05, 314,336.99 and 51,788.49
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Solution
The fourth proportional to 209,560.05, 314,336.99 and 51,788.49 is: 77,681.97
Step by Step Solution
- Step 1: Write the proportion equation
209,560.05 : 314,336.99 = 51,788.49 : x - Step 2: Convert to fraction form
209,560.05/314,336.99 = 51,788.49/x - Step 3: Cross multiply
209,560.05x = 314,336.99 × 51,788.49 - Step 4: Simplify right side
209,560.05x = 16,279,037,804.30 - Step 5: Solve for x
x = 16,279,037,804.30/209,560.05 - Step 6: Final answer
x = 77,681.97
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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.