Finding the Fourth Proportional to 376,729.13, 519,886.40 and 206,974.19
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Solution
The fourth proportional to 376,729.13, 519,886.40 and 206,974.19 is: 285,624.49
Step by Step Solution
- Step 1: Write the proportion equation
376,729.13 : 519,886.40 = 206,974.19 : x - Step 2: Convert to fraction form
376,729.13/519,886.40 = 206,974.19/x - Step 3: Cross multiply
376,729.13x = 519,886.40 × 206,974.19 - Step 4: Simplify right side
376,729.13x = 107,603,062,897.71 - Step 5: Solve for x
x = 107,603,062,897.71/376,729.13 - Step 6: Final answer
x = 285,624.49
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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.