Finding the Fourth Proportional to 300,823.40, 415,083.67 and 171,702.92
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Solution
The fourth proportional to 300,823.40, 415,083.67 and 171,702.92 is: 236,919.99
Step by Step Solution
- Step 1: Write the proportion equation
300,823.40 : 415,083.67 = 171,702.92 : x - Step 2: Convert to fraction form
300,823.40/415,083.67 = 171,702.92/x - Step 3: Cross multiply
300,823.40x = 415,083.67 × 171,702.92 - Step 4: Simplify right side
300,823.40x = 71,271,075,249.38 - Step 5: Solve for x
x = 71,271,075,249.38/300,823.40 - Step 6: Final answer
x = 236,919.99
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1.5x scale
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.