Finding the Fourth Proportional to 208,945.95, 313,471.94 and 96,706.99
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Solution
The fourth proportional to 208,945.95, 313,471.94 and 96,706.99 is: 145,085.02
Step by Step Solution
- Step 1: Write the proportion equation
208,945.95 : 313,471.94 = 96,706.99 : x - Step 2: Convert to fraction form
208,945.95/313,471.94 = 96,706.99/x - Step 3: Cross multiply
208,945.95x = 313,471.94 × 96,706.99 - Step 4: Simplify right side
208,945.95x = 30,314,927,766.86 - Step 5: Solve for x
x = 30,314,927,766.86/208,945.95 - Step 6: Final answer
x = 145,085.02
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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.