Finding the Fourth Proportional to 235,140.90, 324,531.12 and 133,171.62
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Solution
The fourth proportional to 235,140.90, 324,531.12 and 133,171.62 is: 183,797.61
Step by Step Solution
- Step 1: Write the proportion equation
235,140.90 : 324,531.12 = 133,171.62 : x - Step 2: Convert to fraction form
235,140.90/324,531.12 = 133,171.62/x - Step 3: Cross multiply
235,140.90x = 324,531.12 × 133,171.62 - Step 4: Simplify right side
235,140.90x = 43,218,334,990.81 - Step 5: Solve for x
x = 43,218,334,990.81/235,140.90 - Step 6: Final answer
x = 183,797.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.