Finding the Fourth Proportional to 205,614.52, 283,878.70 and 157,777.08
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Solution
The fourth proportional to 205,614.52, 283,878.70 and 157,777.08 is: 217,832.63
Step by Step Solution
- Step 1: Write the proportion equation
205,614.52 : 283,878.70 = 157,777.08 : x - Step 2: Convert to fraction form
205,614.52/283,878.70 = 157,777.08/x - Step 3: Cross multiply
205,614.52x = 283,878.70 × 157,777.08 - Step 4: Simplify right side
205,614.52x = 44,789,552,360.20 - Step 5: Solve for x
x = 44,789,552,360.20/205,614.52 - Step 6: Final answer
x = 217,832.63
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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.