Finding the Fourth Proportional to 155,121.13, 232,731.83 and 76,179.99
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Solution
The fourth proportional to 155,121.13, 232,731.83 and 76,179.99 is: 114,294.62
Step by Step Solution
- Step 1: Write the proportion equation
155,121.13 : 232,731.83 = 76,179.99 : x - Step 2: Convert to fraction form
155,121.13/232,731.83 = 76,179.99/x - Step 3: Cross multiply
155,121.13x = 232,731.83 × 76,179.99 - Step 4: Simplify right side
155,121.13x = 17,729,509,545.28 - Step 5: Solve for x
x = 17,729,509,545.28/155,121.13 - Step 6: Final answer
x = 114,294.62
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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.