Finding the Fourth Proportional to 173,872.54, 239,947.14 and 97,390.99
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Solution
The fourth proportional to 173,872.54, 239,947.14 and 97,390.99 is: 134,401.27
Step by Step Solution
- Step 1: Write the proportion equation
173,872.54 : 239,947.14 = 97,390.99 : x - Step 2: Convert to fraction form
173,872.54/239,947.14 = 97,390.99/x - Step 3: Cross multiply
173,872.54x = 239,947.14 × 97,390.99 - Step 4: Simplify right side
173,872.54x = 23,368,690,177.42 - Step 5: Solve for x
x = 23,368,690,177.42/173,872.54 - Step 6: Final answer
x = 134,401.27
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1.5x scale
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.