Finding the Fourth Proportional to 442,456.40, 610,626.12 and 251,529.68
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Solution
The fourth proportional to 442,456.40, 610,626.12 and 251,529.68 is: 347,131.59
Step by Step Solution
- Step 1: Write the proportion equation
442,456.40 : 610,626.12 = 251,529.68 : x - Step 2: Convert to fraction form
442,456.40/610,626.12 = 251,529.68/x - Step 3: Cross multiply
442,456.40x = 610,626.12 × 251,529.68 - Step 4: Simplify right side
442,456.40x = 153,590,592,563.24 - Step 5: Solve for x
x = 153,590,592,563.24/442,456.40 - Step 6: Final answer
x = 347,131.59
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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.