Finding the Fourth Proportional to 357,409.84, 493,206.24 and 196,286.08
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Solution
The fourth proportional to 357,409.84, 493,206.24 and 196,286.08 is: 270,864.17
Step by Step Solution
- Step 1: Write the proportion equation
357,409.84 : 493,206.24 = 196,286.08 : x - Step 2: Convert to fraction form
357,409.84/493,206.24 = 196,286.08/x - Step 3: Cross multiply
357,409.84x = 493,206.24 × 196,286.08 - Step 4: Simplify right side
357,409.84x = 96,809,519,481.14 - Step 5: Solve for x
x = 96,809,519,481.14/357,409.84 - Step 6: Final answer
x = 270,864.17
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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.