Finding the Fourth Proportional to 212,652.30, 293,460.46 and 115,855.68
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Solution
The fourth proportional to 212,652.30, 293,460.46 and 115,855.68 is: 159,880.99
Step by Step Solution
- Step 1: Write the proportion equation
212,652.30 : 293,460.46 = 115,855.68 : x - Step 2: Convert to fraction form
212,652.30/293,460.46 = 115,855.68/x - Step 3: Cross multiply
212,652.30x = 293,460.46 × 115,855.68 - Step 4: Simplify right side
212,652.30x = 33,999,061,146.41 - Step 5: Solve for x
x = 33,999,061,146.41/212,652.30 - Step 6: Final answer
x = 159,880.99
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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.