Finding the Fourth Proportional to 74,177.62, 111,264.86 and 18,017.99
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Solution
The fourth proportional to 74,177.62, 111,264.86 and 18,017.99 is: 27,026.61
Step by Step Solution
- Step 1: Write the proportion equation
74,177.62 : 111,264.86 = 18,017.99 : x - Step 2: Convert to fraction form
74,177.62/111,264.86 = 18,017.99/x - Step 3: Cross multiply
74,177.62x = 111,264.86 × 18,017.99 - Step 4: Simplify right side
74,177.62x = 2,004,769,322.90 - Step 5: Solve for x
x = 2,004,769,322.90/74,177.62 - Step 6: Final answer
x = 27,026.61
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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.