Finding the Fourth Proportional to 357,774.84, 493,740.39 and 196,626.96
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Solution
The fourth proportional to 357,774.84, 493,740.39 and 196,626.96 is: 271,351.31
Step by Step Solution
- Step 1: Write the proportion equation
357,774.84 : 493,740.39 = 196,626.96 : x - Step 2: Convert to fraction form
357,774.84/493,740.39 = 196,626.96/x - Step 3: Cross multiply
357,774.84x = 493,740.39 × 196,626.96 - Step 4: Simplify right side
357,774.84x = 97,082,671,914.91 - Step 5: Solve for x
x = 97,082,671,914.91/357,774.84 - Step 6: Final answer
x = 271,351.31
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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.