Finding the Fourth Proportional to 381,413.74, 572,199.29 and 125,265.62
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Solution
The fourth proportional to 381,413.74, 572,199.29 and 125,265.62 is: 187,924.26
Step by Step Solution
- Step 1: Write the proportion equation
381,413.74 : 572,199.29 = 125,265.62 : x - Step 2: Convert to fraction form
381,413.74/572,199.29 = 125,265.62/x - Step 3: Cross multiply
381,413.74x = 572,199.29 × 125,265.62 - Step 4: Simplify right side
381,413.74x = 71,676,895,338.09 - Step 5: Solve for x
x = 71,676,895,338.09/381,413.74 - Step 6: Final answer
x = 187,924.26
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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.