Finding the Fourth Proportional to 281,125.04, 421,687.05 and 91,585.19
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Solution
The fourth proportional to 281,125.04, 421,687.05 and 91,585.19 is: 137,377.61
Step by Step Solution
- Step 1: Write the proportion equation
281,125.04 : 421,687.05 = 91,585.19 : x - Step 2: Convert to fraction form
281,125.04/421,687.05 = 91,585.19/x - Step 3: Cross multiply
281,125.04x = 421,687.05 × 91,585.19 - Step 4: Simplify right side
281,125.04x = 38,620,286,142.91 - Step 5: Solve for x
x = 38,620,286,142.91/281,125.04 - Step 6: Final answer
x = 137,377.61
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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.