Finding the Fourth Proportional to 305,002.68, 420,896.52 and 177,670.05
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Solution
The fourth proportional to 305,002.68, 420,896.52 and 177,670.05 is: 245,180.49
Step by Step Solution
- Step 1: Write the proportion equation
305,002.68 : 420,896.52 = 177,670.05 : x - Step 2: Convert to fraction form
305,002.68/420,896.52 = 177,670.05/x - Step 3: Cross multiply
305,002.68x = 420,896.52 × 177,670.05 - Step 4: Simplify right side
305,002.68x = 74,780,705,753.23 - Step 5: Solve for x
x = 74,780,705,753.23/305,002.68 - Step 6: Final answer
x = 245,180.49
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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.