Finding the Fourth Proportional to 298,207.58, 411,536.30 and 170,907.57
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Solution
The fourth proportional to 298,207.58, 411,536.30 and 170,907.57 is: 235,858.09
Step by Step Solution
- Step 1: Write the proportion equation
298,207.58 : 411,536.30 = 170,907.57 : x - Step 2: Convert to fraction form
298,207.58/411,536.30 = 170,907.57/x - Step 3: Cross multiply
298,207.58x = 411,536.30 × 170,907.57 - Step 4: Simplify right side
298,207.58x = 70,334,668,145.25 - Step 5: Solve for x
x = 70,334,668,145.25/298,207.58 - Step 6: Final answer
x = 235,858.09
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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.