Finding the Fourth Proportional to 205,309.10, 306,065.84 and 202,073.70
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Solution
The fourth proportional to 205,309.10, 306,065.84 and 202,073.70 is: 301,242.65
Step by Step Solution
- Step 1: Write the proportion equation
205,309.10 : 306,065.84 = 202,073.70 : x - Step 2: Convert to fraction form
205,309.10/306,065.84 = 202,073.70/x - Step 3: Cross multiply
205,309.10x = 306,065.84 × 202,073.70 - Step 4: Simplify right side
205,309.10x = 61,847,856,732.41 - Step 5: Solve for x
x = 61,847,856,732.41/205,309.10 - Step 6: Final answer
x = 301,242.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.