Finding the Fourth Proportional to 155,057.70, 232,605.99 and 76,105.38
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Solution
The fourth proportional to 155,057.70, 232,605.99 and 76,105.38 is: 114,167.61
Step by Step Solution
- Step 1: Write the proportion equation
155,057.70 : 232,605.99 = 76,105.38 : x - Step 2: Convert to fraction form
155,057.70/232,605.99 = 76,105.38/x - Step 3: Cross multiply
155,057.70x = 232,605.99 × 76,105.38 - Step 4: Simplify right side
155,057.70x = 17,702,567,259.23 - Step 5: Solve for x
x = 17,702,567,259.23/155,057.70 - Step 6: Final answer
x = 114,167.61
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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.