Finding the Fourth Proportional to 442,190.19, 610,244.09 and 248,658.80
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Solution
The fourth proportional to 442,190.19, 610,244.09 and 248,658.80 is: 343,161.31
Step by Step Solution
- Step 1: Write the proportion equation
442,190.19 : 610,244.09 = 248,658.80 : x - Step 2: Convert to fraction form
442,190.19/610,244.09 = 248,658.80/x - Step 3: Cross multiply
442,190.19x = 610,244.09 × 248,658.80 - Step 4: Simplify right side
442,190.19x = 151,742,563,126.49 - Step 5: Solve for x
x = 151,742,563,126.49/442,190.19 - Step 6: Final answer
x = 343,161.31
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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.