Finding the Fourth Proportional to 316,464.98, 436,722.33 and 173,234.18
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Solution
The fourth proportional to 316,464.98, 436,722.33 and 173,234.18 is: 239,063.53
Step by Step Solution
- Step 1: Write the proportion equation
316,464.98 : 436,722.33 = 173,234.18 : x - Step 2: Convert to fraction form
316,464.98/436,722.33 = 173,234.18/x - Step 3: Cross multiply
316,464.98x = 436,722.33 × 173,234.18 - Step 4: Simplify right side
316,464.98x = 75,655,234,725.24 - Step 5: Solve for x
x = 75,655,234,725.24/316,464.98 - Step 6: Final answer
x = 239,063.53
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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.