Finding the Fourth Proportional to 129,492.18, 194,237.81 and 58,331.52
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Solution
The fourth proportional to 129,492.18, 194,237.81 and 58,331.52 is: 87,497.07
Step by Step Solution
- Step 1: Write the proportion equation
129,492.18 : 194,237.81 = 58,331.52 : x - Step 2: Convert to fraction form
129,492.18/194,237.81 = 58,331.52/x - Step 3: Cross multiply
129,492.18x = 194,237.81 × 58,331.52 - Step 4: Simplify right side
129,492.18x = 11,330,186,407.11 - Step 5: Solve for x
x = 11,330,186,407.11/129,492.18 - Step 6: Final answer
x = 87,497.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.