Finding the Fourth Proportional to 242,357.68, 334,474.68 and 141,788.08
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Solution
The fourth proportional to 242,357.68, 334,474.68 and 141,788.08 is: 195,679.88
Step by Step Solution
- Step 1: Write the proportion equation
242,357.68 : 334,474.68 = 141,788.08 : x - Step 2: Convert to fraction form
242,357.68/334,474.68 = 141,788.08/x - Step 3: Cross multiply
242,357.68x = 334,474.68 × 141,788.08 - Step 4: Simplify right side
242,357.68x = 47,424,522,685.81 - Step 5: Solve for x
x = 47,424,522,685.81/242,357.68 - Step 6: Final answer
x = 195,679.88
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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.