Finding the Fourth Proportional to 161,772.09, 242,658.75 and 49,451.87
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Solution
The fourth proportional to 161,772.09, 242,658.75 and 49,451.87 is: 74,177.99
Step by Step Solution
- Step 1: Write the proportion equation
161,772.09 : 242,658.75 = 49,451.87 : x - Step 2: Convert to fraction form
161,772.09/242,658.75 = 49,451.87/x - Step 3: Cross multiply
161,772.09x = 242,658.75 × 49,451.87 - Step 4: Simplify right side
161,772.09x = 11,999,928,959.36 - Step 5: Solve for x
x = 11,999,928,959.36/161,772.09 - Step 6: Final answer
x = 74,177.99
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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.