Finding the Fourth Proportional to 201,801.70, 302,702.55 and 54,057.70
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Solution
The fourth proportional to 201,801.70, 302,702.55 and 54,057.70 is: 81,086.55
Step by Step Solution
- Step 1: Write the proportion equation
201,801.70 : 302,702.55 = 54,057.70 : x - Step 2: Convert to fraction form
201,801.70/302,702.55 = 54,057.70/x - Step 3: Cross multiply
201,801.70x = 302,702.55 × 54,057.70 - Step 4: Simplify right side
201,801.70x = 16,363,403,637.14 - Step 5: Solve for x
x = 16,363,403,637.14/201,801.70 - Step 6: Final answer
x = 81,086.55
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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.