Finding the Fourth Proportional to 311,062.76, 429,244.26 and 175,089.68
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Solution
The fourth proportional to 311,062.76, 429,244.26 and 175,089.68 is: 241,611.18
Step by Step Solution
- Step 1: Write the proportion equation
311,062.76 : 429,244.26 = 175,089.68 : x - Step 2: Convert to fraction form
311,062.76/429,244.26 = 175,089.68/x - Step 3: Cross multiply
311,062.76x = 429,244.26 × 175,089.68 - Step 4: Simplify right side
311,062.76x = 75,156,240,125.24 - Step 5: Solve for x
x = 75,156,240,125.24/311,062.76 - Step 6: Final answer
x = 241,611.18
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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.