Finding the Fourth Proportional to 193,752.24, 290,740.68 and 81,423.60
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Solution
The fourth proportional to 193,752.24, 290,740.68 and 81,423.60 is: 122,182.60
Step by Step Solution
- Step 1: Write the proportion equation
193,752.24 : 290,740.68 = 81,423.60 : x - Step 2: Convert to fraction form
193,752.24/290,740.68 = 81,423.60/x - Step 3: Cross multiply
193,752.24x = 290,740.68 × 81,423.60 - Step 4: Simplify right side
193,752.24x = 23,673,152,832.05 - Step 5: Solve for x
x = 23,673,152,832.05/193,752.24 - Step 6: Final answer
x = 122,182.60
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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.