Finding the Fourth Proportional to 309,992.20, 464,988.30 and 110,537.80
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Solution
The fourth proportional to 309,992.20, 464,988.30 and 110,537.80 is: 165,806.70
Step by Step Solution
- Step 1: Write the proportion equation
309,992.20 : 464,988.30 = 110,537.80 : x - Step 2: Convert to fraction form
309,992.20/464,988.30 = 110,537.80/x - Step 3: Cross multiply
309,992.20x = 464,988.30 × 110,537.80 - Step 4: Simplify right side
309,992.20x = 51,398,783,707.74 - Step 5: Solve for x
x = 51,398,783,707.74/309,992.20 - Step 6: Final answer
x = 165,806.70
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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.