Finding the Fourth Proportional to 205,303.10, 306,056.90 and 202,067.70
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Solution
The fourth proportional to 205,303.10, 306,056.90 and 202,067.70 is: 301,233.71
Step by Step Solution
- Step 1: Write the proportion equation
205,303.10 : 306,056.90 = 202,067.70 : x - Step 2: Convert to fraction form
205,303.10/306,056.90 = 202,067.70/x - Step 3: Cross multiply
205,303.10x = 306,056.90 × 202,067.70 - Step 4: Simplify right side
205,303.10x = 61,844,213,852.13 - Step 5: Solve for x
x = 61,844,213,852.13/205,303.10 - Step 6: Final answer
x = 301,233.71
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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.