Finding the Fourth Proportional to 501,259.98, 691,674.84 and 286,413.96
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Solution
The fourth proportional to 501,259.98, 691,674.84 and 286,413.96 is: 395,214.73
Step by Step Solution
- Step 1: Write the proportion equation
501,259.98 : 691,674.84 = 286,413.96 : x - Step 2: Convert to fraction form
501,259.98/691,674.84 = 286,413.96/x - Step 3: Cross multiply
501,259.98x = 691,674.84 × 286,413.96 - Step 4: Simplify right side
501,259.98x = 198,105,329,956.77 - Step 5: Solve for x
x = 198,105,329,956.77/501,259.98 - Step 6: Final answer
x = 395,214.73
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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.