Finding the Fourth Proportional to 74,207.96, 111,312.17 and 18,048.08
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Solution
The fourth proportional to 74,207.96, 111,312.17 and 18,048.08 is: 27,072.18
Step by Step Solution
- Step 1: Write the proportion equation
74,207.96 : 111,312.17 = 18,048.08 : x - Step 2: Convert to fraction form
74,207.96/111,312.17 = 18,048.08/x - Step 3: Cross multiply
74,207.96x = 111,312.17 × 18,048.08 - Step 4: Simplify right side
74,207.96x = 2,008,970,949.13 - Step 5: Solve for x
x = 2,008,970,949.13/74,207.96 - Step 6: Final answer
x = 27,072.18
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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.