Finding the Fourth Proportional to 190,593.51, 285,830.61 and 68,998.70
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Solution
The fourth proportional to 190,593.51, 285,830.61 and 68,998.70 is: 103,476.45
Step by Step Solution
- Step 1: Write the proportion equation
190,593.51 : 285,830.61 = 68,998.70 : x - Step 2: Convert to fraction form
190,593.51/285,830.61 = 68,998.70/x - Step 3: Cross multiply
190,593.51x = 285,830.61 × 68,998.70 - Step 4: Simplify right side
190,593.51x = 19,721,940,510.21 - Step 5: Solve for x
x = 19,721,940,510.21/190,593.51 - Step 6: Final answer
x = 103,476.45
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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.