Finding the Fourth Proportional to 186,774.91, 257,748.16 and 106,202.44
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Solution
The fourth proportional to 186,774.91, 257,748.16 and 106,202.44 is: 146,558.68
Step by Step Solution
- Step 1: Write the proportion equation
186,774.91 : 257,748.16 = 106,202.44 : x - Step 2: Convert to fraction form
186,774.91/257,748.16 = 106,202.44/x - Step 3: Cross multiply
186,774.91x = 257,748.16 × 106,202.44 - Step 4: Simplify right side
186,774.91x = 27,373,483,497.51 - Step 5: Solve for x
x = 27,373,483,497.51/186,774.91 - Step 6: Final answer
x = 146,558.68
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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.