Finding the Fourth Proportional to 190,599.17, 285,789.38 and 72,194.99
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Solution
The fourth proportional to 190,599.17, 285,789.38 and 72,194.99 is: 108,251.05
Step by Step Solution
- Step 1: Write the proportion equation
190,599.17 : 285,789.38 = 72,194.99 : x - Step 2: Convert to fraction form
190,599.17/285,789.38 = 72,194.99/x - Step 3: Cross multiply
190,599.17x = 285,789.38 × 72,194.99 - Step 4: Simplify right side
190,599.17x = 20,632,559,641.28 - Step 5: Solve for x
x = 20,632,559,641.28/190,599.17 - Step 6: Final answer
x = 108,251.05
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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.