Finding the Fourth Proportional to 404,618.91, 558,290.74 and 232,503.62
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Solution
The fourth proportional to 404,618.91, 558,290.74 and 232,503.62 is: 320,807.09
Step by Step Solution
- Step 1: Write the proportion equation
404,618.91 : 558,290.74 = 232,503.62 : x - Step 2: Convert to fraction form
404,618.91/558,290.74 = 232,503.62/x - Step 3: Cross multiply
404,618.91x = 558,290.74 × 232,503.62 - Step 4: Simplify right side
404,618.91x = 129,804,614,108.51 - Step 5: Solve for x
x = 129,804,614,108.51/404,618.91 - Step 6: Final answer
x = 320,807.09
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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.