Finding the Fourth Proportional to 315,937.62, 436,154.49 and 214,499.70
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Solution
The fourth proportional to 315,937.62, 436,154.49 and 214,499.70 is: 296,118.60
Step by Step Solution
- Step 1: Write the proportion equation
315,937.62 : 436,154.49 = 214,499.70 : x - Step 2: Convert to fraction form
315,937.62/436,154.49 = 214,499.70/x - Step 3: Cross multiply
315,937.62x = 436,154.49 × 214,499.70 - Step 4: Simplify right side
315,937.62x = 93,555,007,258.65 - Step 5: Solve for x
x = 93,555,007,258.65/315,937.62 - Step 6: Final answer
x = 296,118.60
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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.