Finding the Fourth Proportional to 212,865.68, 293,767.88 and 117,372.24
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Solution
The fourth proportional to 212,865.68, 293,767.88 and 117,372.24 is: 161,980.99
Step by Step Solution
- Step 1: Write the proportion equation
212,865.68 : 293,767.88 = 117,372.24 : x - Step 2: Convert to fraction form
212,865.68/293,767.88 = 117,372.24/x - Step 3: Cross multiply
212,865.68x = 293,767.88 × 117,372.24 - Step 4: Simplify right side
212,865.68x = 34,480,194,115.65 - Step 5: Solve for x
x = 34,480,194,115.65/212,865.68 - Step 6: Final answer
x = 161,980.99
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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.