Finding the Fourth Proportional to 206,878.81, 310,342.53 and 73,777.99
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Solution
The fourth proportional to 206,878.81, 310,342.53 and 73,777.99 is: 110,675.66
Step by Step Solution
- Step 1: Write the proportion equation
206,878.81 : 310,342.53 = 73,777.99 : x - Step 2: Convert to fraction form
206,878.81/310,342.53 = 73,777.99/x - Step 3: Cross multiply
206,878.81x = 310,342.53 × 73,777.99 - Step 4: Simplify right side
206,878.81x = 22,896,448,074.91 - Step 5: Solve for x
x = 22,896,448,074.91/206,878.81 - Step 6: Final answer
x = 110,675.66
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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.