Finding the Fourth Proportional to 442,249.66, 610,297.78 and 248,657.55
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Solution
The fourth proportional to 442,249.66, 610,297.78 and 248,657.55 is: 343,143.63
Step by Step Solution
- Step 1: Write the proportion equation
442,249.66 : 610,297.78 = 248,657.55 : x - Step 2: Convert to fraction form
442,249.66/610,297.78 = 248,657.55/x - Step 3: Cross multiply
442,249.66x = 610,297.78 × 248,657.55 - Step 4: Simplify right side
442,249.66x = 151,755,153,226.13 - Step 5: Solve for x
x = 151,755,153,226.13/442,249.66 - Step 6: Final answer
x = 343,143.63
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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.