Finding the Fourth Proportional to 654,715.99, 982,115.49 and 205,454.59
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Solution
The fourth proportional to 654,715.99, 982,115.49 and 205,454.59 is: 308,194.90
Step by Step Solution
- Step 1: Write the proportion equation
654,715.99 : 982,115.49 = 205,454.59 : x - Step 2: Convert to fraction form
654,715.99/982,115.49 = 205,454.59/x - Step 3: Cross multiply
654,715.99x = 982,115.49 × 205,454.59 - Step 4: Simplify right side
654,715.99x = 201,780,130,420.02 - Step 5: Solve for x
x = 201,780,130,420.02/654,715.99 - Step 6: Final answer
x = 308,194.90
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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.