Finding the Fourth Proportional to 287,880.99, 431,727.93 and 95,703.83
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Solution
The fourth proportional to 287,880.99, 431,727.93 and 95,703.83 is: 143,524.65
Step by Step Solution
- Step 1: Write the proportion equation
287,880.99 : 431,727.93 = 95,703.83 : x - Step 2: Convert to fraction form
287,880.99/431,727.93 = 95,703.83/x - Step 3: Cross multiply
287,880.99x = 431,727.93 × 95,703.83 - Step 4: Simplify right side
287,880.99x = 41,318,017,019.77 - Step 5: Solve for x
x = 41,318,017,019.77/287,880.99 - Step 6: Final answer
x = 143,524.65
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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.