Finding the Fourth Proportional to 212,397.35, 293,102.21 and 116,901.99
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Solution
The fourth proportional to 212,397.35, 293,102.21 and 116,901.99 is: 161,321.38
Step by Step Solution
- Step 1: Write the proportion equation
212,397.35 : 293,102.21 = 116,901.99 : x - Step 2: Convert to fraction form
212,397.35/293,102.21 = 116,901.99/x - Step 3: Cross multiply
212,397.35x = 293,102.21 × 116,901.99 - Step 4: Simplify right side
212,397.35x = 34,264,231,914.65 - Step 5: Solve for x
x = 34,264,231,914.65/212,397.35 - Step 6: Final answer
x = 161,321.38
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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.