Finding the Fourth Proportional to 190,110.67, 285,108.41 and 79,276.75
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Solution
The fourth proportional to 190,110.67, 285,108.41 and 79,276.75 is: 118,891.11
Step by Step Solution
- Step 1: Write the proportion equation
190,110.67 : 285,108.41 = 79,276.75 : x - Step 2: Convert to fraction form
190,110.67/285,108.41 = 79,276.75/x - Step 3: Cross multiply
190,110.67x = 285,108.41 × 79,276.75 - Step 4: Simplify right side
190,110.67x = 22,602,467,746.08 - Step 5: Solve for x
x = 22,602,467,746.08/190,110.67 - Step 6: Final answer
x = 118,891.11
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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.