Finding the Fourth Proportional to 374,678.97, 517,065.84 and 213,549.01
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Solution
The fourth proportional to 374,678.97, 517,065.84 and 213,549.01 is: 294,702.68
Step by Step Solution
- Step 1: Write the proportion equation
374,678.97 : 517,065.84 = 213,549.01 : x - Step 2: Convert to fraction form
374,678.97/517,065.84 = 213,549.01/x - Step 3: Cross multiply
374,678.97x = 517,065.84 × 213,549.01 - Step 4: Simplify right side
374,678.97x = 110,418,897,169.07 - Step 5: Solve for x
x = 110,418,897,169.07/374,678.97 - Step 6: Final answer
x = 294,702.68
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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.