Finding the Fourth Proportional to 212,416.79, 293,141.39 and 115,626.95
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Solution
The fourth proportional to 212,416.79, 293,141.39 and 115,626.95 is: 159,568.59
Step by Step Solution
- Step 1: Write the proportion equation
212,416.79 : 293,141.39 = 115,626.95 : x - Step 2: Convert to fraction form
212,416.79/293,141.39 = 115,626.95/x - Step 3: Cross multiply
212,416.79x = 293,141.39 × 115,626.95 - Step 4: Simplify right side
212,416.79x = 33,895,045,866.38 - Step 5: Solve for x
x = 33,895,045,866.38/212,416.79 - Step 6: Final answer
x = 159,568.59
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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.