Finding the Fourth Proportional to 317,634.98, 438,211.26 and 181,595.84
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Solution
The fourth proportional to 317,634.98, 438,211.26 and 181,595.84 is: 250,530.79
Step by Step Solution
- Step 1: Write the proportion equation
317,634.98 : 438,211.26 = 181,595.84 : x - Step 2: Convert to fraction form
317,634.98/438,211.26 = 181,595.84/x - Step 3: Cross multiply
317,634.98x = 438,211.26 × 181,595.84 - Step 4: Simplify right side
317,634.98x = 79,577,339,666.10 - Step 5: Solve for x
x = 79,577,339,666.10/317,634.98 - Step 6: Final answer
x = 250,530.79
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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.