Finding the Fourth Proportional to 193,740.76, 290,603.17 and 67,409.65
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Solution
The fourth proportional to 193,740.76, 290,603.17 and 67,409.65 is: 101,111.70
Step by Step Solution
- Step 1: Write the proportion equation
193,740.76 : 290,603.17 = 67,409.65 : x - Step 2: Convert to fraction form
193,740.76/290,603.17 = 67,409.65/x - Step 3: Cross multiply
193,740.76x = 290,603.17 × 67,409.65 - Step 4: Simplify right side
193,740.76x = 19,589,456,188.53 - Step 5: Solve for x
x = 19,589,456,188.53/193,740.76 - Step 6: Final answer
x = 101,111.70
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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.