Finding the Fourth Proportional to 225,964.44, 311,817.48 and 129,178.80
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Solution
The fourth proportional to 225,964.44, 311,817.48 and 129,178.80 is: 178,259.06
Step by Step Solution
- Step 1: Write the proportion equation
225,964.44 : 311,817.48 = 129,178.80 : x - Step 2: Convert to fraction form
225,964.44/311,817.48 = 129,178.80/x - Step 3: Cross multiply
225,964.44x = 311,817.48 × 129,178.80 - Step 4: Simplify right side
225,964.44x = 40,280,207,885.42 - Step 5: Solve for x
x = 40,280,207,885.42/225,964.44 - Step 6: Final answer
x = 178,259.06
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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.