Finding the Fourth Proportional to 357,618.75, 493,343.37 and 260,614.62
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Solution
The fourth proportional to 357,618.75, 493,343.37 and 260,614.62 is: 359,523.92
Step by Step Solution
- Step 1: Write the proportion equation
357,618.75 : 493,343.37 = 260,614.62 : x - Step 2: Convert to fraction form
357,618.75/493,343.37 = 260,614.62/x - Step 3: Cross multiply
357,618.75x = 493,343.37 × 260,614.62 - Step 4: Simplify right side
357,618.75x = 128,572,494,902.07 - Step 5: Solve for x
x = 128,572,494,902.07/357,618.75 - Step 6: Final answer
x = 359,523.92
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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.