Finding the Fourth Proportional to 194,444.28, 268,331.94 and 109,588.68
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Solution
The fourth proportional to 194,444.28, 268,331.94 and 109,588.68 is: 151,231.72
Step by Step Solution
- Step 1: Write the proportion equation
194,444.28 : 268,331.94 = 109,588.68 : x - Step 2: Convert to fraction form
194,444.28/268,331.94 = 109,588.68/x - Step 3: Cross multiply
194,444.28x = 268,331.94 × 109,588.68 - Step 4: Simplify right side
194,444.28x = 29,406,143,106.44 - Step 5: Solve for x
x = 29,406,143,106.44/194,444.28 - Step 6: Final answer
x = 151,231.72
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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.