Finding the Fourth Proportional to 476,893.67, 715,337.66 and 121,907.12
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Solution
The fourth proportional to 476,893.67, 715,337.66 and 121,907.12 is: 182,859.95
Step by Step Solution
- Step 1: Write the proportion equation
476,893.67 : 715,337.66 = 121,907.12 : x - Step 2: Convert to fraction form
476,893.67/715,337.66 = 121,907.12/x - Step 3: Cross multiply
476,893.67x = 715,337.66 × 121,907.12 - Step 4: Simplify right side
476,893.67x = 87,204,750,381.45 - Step 5: Solve for x
x = 87,204,750,381.45/476,893.67 - Step 6: Final answer
x = 182,859.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.