Finding the Fourth Proportional to 186,675.12, 257,568.12 and 106,096.32
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Solution
The fourth proportional to 186,675.12, 257,568.12 and 106,096.32 is: 146,388.17
Step by Step Solution
- Step 1: Write the proportion equation
186,675.12 : 257,568.12 = 106,096.32 : x - Step 2: Convert to fraction form
186,675.12/257,568.12 = 106,096.32/x - Step 3: Cross multiply
186,675.12x = 257,568.12 × 106,096.32 - Step 4: Simplify right side
186,675.12x = 27,327,029,681.32 - Step 5: Solve for x
x = 27,327,029,681.32/186,675.12 - Step 6: Final answer
x = 146,388.17
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1.5x scale
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.