Finding the Fourth Proportional to 205,320.99, 307,981.49 and 65,079.62
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Solution
The fourth proportional to 205,320.99, 307,981.49 and 65,079.62 is: 97,619.43
Step by Step Solution
- Step 1: Write the proportion equation
205,320.99 : 307,981.49 = 65,079.62 : x - Step 2: Convert to fraction form
205,320.99/307,981.49 = 65,079.62/x - Step 3: Cross multiply
205,320.99x = 307,981.49 × 65,079.62 - Step 4: Simplify right side
205,320.99x = 20,043,318,336.23 - Step 5: Solve for x
x = 20,043,318,336.23/205,320.99 - Step 6: Final answer
x = 97,619.43
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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.