Finding the Fourth Proportional to 442,193.20, 610,248.24 and 248,661.80
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Solution
The fourth proportional to 442,193.20, 610,248.24 and 248,661.80 is: 343,165.44
Step by Step Solution
- Step 1: Write the proportion equation
442,193.20 : 610,248.24 = 248,661.80 : x - Step 2: Convert to fraction form
442,193.20/610,248.24 = 248,661.80/x - Step 3: Cross multiply
442,193.20x = 610,248.24 × 248,661.80 - Step 4: Simplify right side
442,193.20x = 151,745,425,805.23 - Step 5: Solve for x
x = 151,745,425,805.23/442,193.20 - Step 6: Final answer
x = 343,165.44
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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.