Finding the Fourth Proportional to 442,962.44, 611,245.14 and 251,937.80
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Solution
The fourth proportional to 442,962.44, 611,245.14 and 251,937.80 is: 347,649.69
Step by Step Solution
- Step 1: Write the proportion equation
442,962.44 : 611,245.14 = 251,937.80 : x - Step 2: Convert to fraction form
442,962.44/611,245.14 = 251,937.80/x - Step 3: Cross multiply
442,962.44x = 611,245.14 × 251,937.80 - Step 4: Simplify right side
442,962.44x = 153,995,755,832.29 - Step 5: Solve for x
x = 153,995,755,832.29/442,962.44 - Step 6: Final answer
x = 347,649.69
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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.