Finding the Fourth Proportional to 198,069.93, 273,335.72 and 107,425.53
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Solution
The fourth proportional to 198,069.93, 273,335.72 and 107,425.53 is: 148,246.80
Step by Step Solution
- Step 1: Write the proportion equation
198,069.93 : 273,335.72 = 107,425.53 : x - Step 2: Convert to fraction form
198,069.93/273,335.72 = 107,425.53/x - Step 3: Cross multiply
198,069.93x = 273,335.72 × 107,425.53 - Step 4: Simplify right side
198,069.93x = 29,363,234,051.80 - Step 5: Solve for x
x = 29,363,234,051.80/198,069.93 - Step 6: Final answer
x = 148,246.80
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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.