Finding the Fourth Proportional to 74,396.72, 111,595.26 and 18,237.08
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Solution
The fourth proportional to 74,396.72, 111,595.26 and 18,237.08 is: 27,355.66
Step by Step Solution
- Step 1: Write the proportion equation
74,396.72 : 111,595.26 = 18,237.08 : x - Step 2: Convert to fraction form
74,396.72/111,595.26 = 18,237.08/x - Step 3: Cross multiply
74,396.72x = 111,595.26 × 18,237.08 - Step 4: Simplify right side
74,396.72x = 2,035,171,684.24 - Step 5: Solve for x
x = 2,035,171,684.24/74,396.72 - Step 6: Final answer
x = 27,355.66
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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.