Finding the Fourth Proportional to 242,338.23, 334,437.80 and 134,915.09
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Solution
The fourth proportional to 242,338.23, 334,437.80 and 134,915.09 is: 186,188.96
Step by Step Solution
- Step 1: Write the proportion equation
242,338.23 : 334,437.80 = 134,915.09 : x - Step 2: Convert to fraction form
242,338.23/334,437.80 = 134,915.09/x - Step 3: Cross multiply
242,338.23x = 334,437.80 × 134,915.09 - Step 4: Simplify right side
242,338.23x = 45,120,703,539.64 - Step 5: Solve for x
x = 45,120,703,539.64/242,338.23 - Step 6: Final answer
x = 186,188.96
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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.