Finding the Fourth Proportional to 138,174.93, 207,264.83 and 49,492.08
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Solution
The fourth proportional to 138,174.93, 207,264.83 and 49,492.08 is: 74,238.99
Step by Step Solution
- Step 1: Write the proportion equation
138,174.93 : 207,264.83 = 49,492.08 : x - Step 2: Convert to fraction form
138,174.93/207,264.83 = 49,492.08/x - Step 3: Cross multiply
138,174.93x = 207,264.83 × 49,492.08 - Step 4: Simplify right side
138,174.93x = 10,257,967,300.09 - Step 5: Solve for x
x = 10,257,967,300.09/138,174.93 - Step 6: Final answer
x = 74,238.99
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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.