Finding the Fourth Proportional to 197,559.68, 272,633.06 and 106,915.62
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Solution
The fourth proportional to 197,559.68, 272,633.06 and 106,915.62 is: 147,543.94
Step by Step Solution
- Step 1: Write the proportion equation
197,559.68 : 272,633.06 = 106,915.62 : x - Step 2: Convert to fraction form
197,559.68/272,633.06 = 106,915.62/x - Step 3: Cross multiply
197,559.68x = 272,633.06 × 106,915.62 - Step 4: Simplify right side
197,559.68x = 29,148,732,107.82 - Step 5: Solve for x
x = 29,148,732,107.82/197,559.68 - Step 6: Final answer
x = 147,543.94
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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.