Finding the Fourth Proportional to 361,178.79, 541,269.96 and 272,334.66
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Solution
The fourth proportional to 361,178.79, 541,269.96 and 272,334.66 is: 408,126.32
Step by Step Solution
- Step 1: Write the proportion equation
361,178.79 : 541,269.96 = 272,334.66 : x - Step 2: Convert to fraction form
361,178.79/541,269.96 = 272,334.66/x - Step 3: Cross multiply
361,178.79x = 541,269.96 × 272,334.66 - Step 4: Simplify right side
361,178.79x = 147,406,570,524.81 - Step 5: Solve for x
x = 147,406,570,524.81/361,178.79 - Step 6: Final answer
x = 408,126.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.