Finding the Fourth Proportional to 201,768.30, 302,543.10 and 83,305.80
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Solution
The fourth proportional to 201,768.30, 302,543.10 and 83,305.80 is: 124,913.55
Step by Step Solution
- Step 1: Write the proportion equation
201,768.30 : 302,543.10 = 83,305.80 : x - Step 2: Convert to fraction form
201,768.30/302,543.10 = 83,305.80/x - Step 3: Cross multiply
201,768.30x = 302,543.10 × 83,305.80 - Step 4: Simplify right side
201,768.30x = 25,203,594,979.98 - Step 5: Solve for x
x = 25,203,594,979.98/201,768.30 - Step 6: Final answer
x = 124,913.55
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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.