Finding the Fourth Proportional to 154,773.81, 232,173.14 and 66,028.19
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Solution
The fourth proportional to 154,773.81, 232,173.14 and 66,028.19 is: 99,047.58
Step by Step Solution
- Step 1: Write the proportion equation
154,773.81 : 232,173.14 = 66,028.19 : x - Step 2: Convert to fraction form
154,773.81/232,173.14 = 66,028.19/x - Step 3: Cross multiply
154,773.81x = 232,173.14 × 66,028.19 - Step 4: Simplify right side
154,773.81x = 15,329,970,709.81 - Step 5: Solve for x
x = 15,329,970,709.81/154,773.81 - Step 6: Final answer
x = 99,047.58
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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.