Finding the Fourth Proportional to 186,765.30, 257,738.76 and 106,192.62
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Solution
The fourth proportional to 186,765.30, 257,738.76 and 106,192.62 is: 146,547.32
Step by Step Solution
- Step 1: Write the proportion equation
186,765.30 : 257,738.76 = 106,192.62 : x - Step 2: Convert to fraction form
186,765.30/257,738.76 = 106,192.62/x - Step 3: Cross multiply
186,765.30x = 257,738.76 × 106,192.62 - Step 4: Simplify right side
186,765.30x = 27,369,954,199.95 - Step 5: Solve for x
x = 27,369,954,199.95/186,765.30 - Step 6: Final answer
x = 146,547.32
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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.