Finding the Fourth Proportional to 316,453.08, 436,701.69 and 173,211.41
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Solution
The fourth proportional to 316,453.08, 436,701.69 and 173,211.41 is: 239,029.80
Step by Step Solution
- Step 1: Write the proportion equation
316,453.08 : 436,701.69 = 173,211.41 : x - Step 2: Convert to fraction form
316,453.08/436,701.69 = 173,211.41/x - Step 3: Cross multiply
316,453.08x = 436,701.69 × 173,211.41 - Step 4: Simplify right side
316,453.08x = 75,641,715,747.22 - Step 5: Solve for x
x = 75,641,715,747.22/316,453.08 - Step 6: Final answer
x = 239,029.80
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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.