Finding the Fourth Proportional to 247,632.13, 371,430.02 and 79,107.20
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Solution
The fourth proportional to 247,632.13, 371,430.02 and 79,107.20 is: 118,654.99
Step by Step Solution
- Step 1: Write the proportion equation
247,632.13 : 371,430.02 = 79,107.20 : x - Step 2: Convert to fraction form
247,632.13/371,430.02 = 79,107.20/x - Step 3: Cross multiply
247,632.13x = 371,430.02 × 79,107.20 - Step 4: Simplify right side
247,632.13x = 29,382,788,611.62 - Step 5: Solve for x
x = 29,382,788,611.62/247,632.13 - Step 6: Final answer
x = 118,654.99
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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.