Finding the Fourth Proportional to 193,400.84, 266,912.34 and 129,870.92
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Solution
The fourth proportional to 193,400.84, 266,912.34 and 129,870.92 is: 179,234.75
Step by Step Solution
- Step 1: Write the proportion equation
193,400.84 : 266,912.34 = 129,870.92 : x - Step 2: Convert to fraction form
193,400.84/266,912.34 = 129,870.92/x - Step 3: Cross multiply
193,400.84x = 266,912.34 × 129,870.92 - Step 4: Simplify right side
193,400.84x = 34,664,151,155.15 - Step 5: Solve for x
x = 34,664,151,155.15/193,400.84 - Step 6: Final answer
x = 179,234.75
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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.