Finding the Fourth Proportional to 205,309.18, 307,974.66 and 65,078.74
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Solution
The fourth proportional to 205,309.18, 307,974.66 and 65,078.74 is: 97,621.56
Step by Step Solution
- Step 1: Write the proportion equation
205,309.18 : 307,974.66 = 65,078.74 : x - Step 2: Convert to fraction form
205,309.18/307,974.66 = 65,078.74/x - Step 3: Cross multiply
205,309.18x = 307,974.66 × 65,078.74 - Step 4: Simplify right side
205,309.18x = 20,042,602,824.73 - Step 5: Solve for x
x = 20,042,602,824.73/205,309.18 - Step 6: Final answer
x = 97,621.56
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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.