Finding the Fourth Proportional to 186,774.16, 257,747.13 and 106,201.66
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Solution
The fourth proportional to 186,774.16, 257,747.13 and 106,201.66 is: 146,557.60
Step by Step Solution
- Step 1: Write the proportion equation
186,774.16 : 257,747.13 = 106,201.66 : x - Step 2: Convert to fraction form
186,774.16/257,747.13 = 106,201.66/x - Step 3: Cross multiply
186,774.16x = 257,747.13 × 106,201.66 - Step 4: Simplify right side
186,774.16x = 27,373,173,066.24 - Step 5: Solve for x
x = 27,373,173,066.24/186,774.16 - Step 6: Final answer
x = 146,557.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.