Finding the Fourth Proportional to 194,794.08, 268,773.12 and 126,803.76
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Solution
The fourth proportional to 194,794.08, 268,773.12 and 126,803.76 is: 174,961.39
Step by Step Solution
- Step 1: Write the proportion equation
194,794.08 : 268,773.12 = 126,803.76 : x - Step 2: Convert to fraction form
194,794.08/268,773.12 = 126,803.76/x - Step 3: Cross multiply
194,794.08x = 268,773.12 × 126,803.76 - Step 4: Simplify right side
194,794.08x = 34,081,442,202.93 - Step 5: Solve for x
x = 34,081,442,202.93/194,794.08 - Step 6: Final answer
x = 174,961.39
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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.