Finding the Fourth Proportional to 357,792.24, 493,752.96 and 196,657.68
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Solution
The fourth proportional to 357,792.24, 493,752.96 and 196,657.68 is: 271,387.42
Step by Step Solution
- Step 1: Write the proportion equation
357,792.24 : 493,752.96 = 196,657.68 : x - Step 2: Convert to fraction form
357,792.24/493,752.96 = 196,657.68/x - Step 3: Cross multiply
357,792.24x = 493,752.96 × 196,657.68 - Step 4: Simplify right side
357,792.24x = 97,100,311,606.73 - Step 5: Solve for x
x = 97,100,311,606.73/357,792.24 - Step 6: Final answer
x = 271,387.42
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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.