Finding the Fourth Proportional to 190,290.18, 262,351.50 and 163,718.12
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Solution
The fourth proportional to 190,290.18, 262,351.50 and 163,718.12 is: 225,716.82
Step by Step Solution
- Step 1: Write the proportion equation
190,290.18 : 262,351.50 = 163,718.12 : x - Step 2: Convert to fraction form
190,290.18/262,351.50 = 163,718.12/x - Step 3: Cross multiply
190,290.18x = 262,351.50 × 163,718.12 - Step 4: Simplify right side
190,290.18x = 42,951,694,359.18 - Step 5: Solve for x
x = 42,951,694,359.18/190,290.18 - Step 6: Final answer
x = 225,716.82
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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.