Finding the Fourth Proportional to 442,192.20, 610,246.86 and 248,660.80
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Solution
The fourth proportional to 442,192.20, 610,246.86 and 248,660.80 is: 343,164.06
Step by Step Solution
- Step 1: Write the proportion equation
442,192.20 : 610,246.86 = 248,660.80 : x - Step 2: Convert to fraction form
442,192.20/610,246.86 = 248,660.80/x - Step 3: Cross multiply
442,192.20x = 610,246.86 × 248,660.80 - Step 4: Simplify right side
442,192.20x = 151,744,472,405.09 - Step 5: Solve for x
x = 151,744,472,405.09/442,192.20 - Step 6: Final answer
x = 343,164.06
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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.