Finding the Fourth Proportional to 173,778.81, 239,803.15 and 97,284.99
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Solution
The fourth proportional to 173,778.81, 239,803.15 and 97,284.99 is: 134,246.79
Step by Step Solution
- Step 1: Write the proportion equation
173,778.81 : 239,803.15 = 97,284.99 : x - Step 2: Convert to fraction form
173,778.81/239,803.15 = 97,284.99/x - Step 3: Cross multiply
173,778.81x = 239,803.15 × 97,284.99 - Step 4: Simplify right side
173,778.81x = 23,329,247,049.72 - Step 5: Solve for x
x = 23,329,247,049.72/173,778.81 - Step 6: Final answer
x = 134,246.79
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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.