Finding the Fourth Proportional to 352,149.40, 526,841.70 and 318,971.80
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Solution
The fourth proportional to 352,149.40, 526,841.70 and 318,971.80 is: 477,205.54
Step by Step Solution
- Step 1: Write the proportion equation
352,149.40 : 526,841.70 = 318,971.80 : x - Step 2: Convert to fraction form
352,149.40/526,841.70 = 318,971.80/x - Step 3: Cross multiply
352,149.40x = 526,841.70 × 318,971.80 - Step 4: Simplify right side
352,149.40x = 168,047,645,364.06 - Step 5: Solve for x
x = 168,047,645,364.06/352,149.40 - Step 6: Final answer
x = 477,205.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.