Finding the Fourth Proportional to 425,379.67, 638,067.65 and 125,862.12
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Solution
The fourth proportional to 425,379.67, 638,067.65 and 125,862.12 is: 188,792.63
Step by Step Solution
- Step 1: Write the proportion equation
425,379.67 : 638,067.65 = 125,862.12 : x - Step 2: Convert to fraction form
425,379.67/638,067.65 = 125,862.12/x - Step 3: Cross multiply
425,379.67x = 638,067.65 × 125,862.12 - Step 4: Simplify right side
425,379.67x = 80,308,546,503.11 - Step 5: Solve for x
x = 80,308,546,503.11/425,379.67 - Step 6: Final answer
x = 188,792.63
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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.