Finding the Fourth Proportional to 355,759.68, 490,960.05 and 202,795.14
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Solution
The fourth proportional to 355,759.68, 490,960.05 and 202,795.14 is: 279,863.96
Step by Step Solution
- Step 1: Write the proportion equation
355,759.68 : 490,960.05 = 202,795.14 : x - Step 2: Convert to fraction form
355,759.68/490,960.05 = 202,795.14/x - Step 3: Cross multiply
355,759.68x = 490,960.05 × 202,795.14 - Step 4: Simplify right side
355,759.68x = 99,564,312,074.16 - Step 5: Solve for x
x = 99,564,312,074.16/355,759.68 - Step 6: Final answer
x = 279,863.96
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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.