Finding the Fourth Proportional to 357,414.84, 493,213.14 and 196,291.08
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Solution
The fourth proportional to 357,414.84, 493,213.14 and 196,291.08 is: 270,871.07
Step by Step Solution
- Step 1: Write the proportion equation
357,414.84 : 493,213.14 = 196,291.08 : x - Step 2: Convert to fraction form
357,414.84/493,213.14 = 196,291.08/x - Step 3: Cross multiply
357,414.84x = 493,213.14 × 196,291.08 - Step 4: Simplify right side
357,414.84x = 96,813,339,920.79 - Step 5: Solve for x
x = 96,813,339,920.79/357,414.84 - Step 6: Final answer
x = 270,871.07
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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.