Finding the Fourth Proportional to 270,350.96, 372,934.68 and 157,161.20
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Solution
The fourth proportional to 270,350.96, 372,934.68 and 157,161.20 is: 216,795.46
Step by Step Solution
- Step 1: Write the proportion equation
270,350.96 : 372,934.68 = 157,161.20 : x - Step 2: Convert to fraction form
270,350.96/372,934.68 = 157,161.20/x - Step 3: Cross multiply
270,350.96x = 372,934.68 × 157,161.20 - Step 4: Simplify right side
270,350.96x = 58,610,861,830.42 - Step 5: Solve for x
x = 58,610,861,830.42/270,350.96 - Step 6: Final answer
x = 216,795.46
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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.