Finding the Fourth Proportional to 213,874.19, 295,115.48 and 118,380.65
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Solution
The fourth proportional to 213,874.19, 295,115.48 and 118,380.65 is: 163,348.19
Step by Step Solution
- Step 1: Write the proportion equation
213,874.19 : 295,115.48 = 118,380.65 : x - Step 2: Convert to fraction form
213,874.19/295,115.48 = 118,380.65/x - Step 3: Cross multiply
213,874.19x = 295,115.48 × 118,380.65 - Step 4: Simplify right side
213,874.19x = 34,935,960,279.98 - Step 5: Solve for x
x = 34,935,960,279.98/213,874.19 - Step 6: Final answer
x = 163,348.19
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1.5x scale
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.