Finding the Fourth Proportional to 194,461.25, 291,741.09 and 54,219.88
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Solution
The fourth proportional to 194,461.25, 291,741.09 and 54,219.88 is: 81,343.53
Step by Step Solution
- Step 1: Write the proportion equation
194,461.25 : 291,741.09 = 54,219.88 : x - Step 2: Convert to fraction form
194,461.25/291,741.09 = 54,219.88/x - Step 3: Cross multiply
194,461.25x = 291,741.09 × 54,219.88 - Step 4: Simplify right side
194,461.25x = 15,818,165,161.06 - Step 5: Solve for x
x = 15,818,165,161.06/194,461.25 - Step 6: Final answer
x = 81,343.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.