Finding the Fourth Proportional to 316,956.26, 437,379.81 and 173,706.14
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Solution
The fourth proportional to 316,956.26, 437,379.81 and 173,706.14 is: 239,703.61
Step by Step Solution
- Step 1: Write the proportion equation
316,956.26 : 437,379.81 = 173,706.14 : x - Step 2: Convert to fraction form
316,956.26/437,379.81 = 173,706.14/x - Step 3: Cross multiply
316,956.26x = 437,379.81 × 173,706.14 - Step 4: Simplify right side
316,956.26x = 75,975,558,509.03 - Step 5: Solve for x
x = 75,975,558,509.03/316,956.26 - Step 6: Final answer
x = 239,703.61
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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.