Finding the Fourth Proportional to 357,857.06, 493,817.73 and 196,722.68
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Solution
The fourth proportional to 357,857.06, 493,817.73 and 196,722.68 is: 271,463.55
Step by Step Solution
- Step 1: Write the proportion equation
357,857.06 : 493,817.73 = 196,722.68 : x - Step 2: Convert to fraction form
357,857.06/493,817.73 = 196,722.68/x - Step 3: Cross multiply
357,857.06x = 493,817.73 × 196,722.68 - Step 4: Simplify right side
357,857.06x = 97,145,147,277.12 - Step 5: Solve for x
x = 97,145,147,277.12/357,857.06 - Step 6: Final answer
x = 271,463.55
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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.