Finding the Fourth Proportional to 291,936.80, 437,905.20 and 201,735.20
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Solution
The fourth proportional to 291,936.80, 437,905.20 and 201,735.20 is: 302,602.80
Step by Step Solution
- Step 1: Write the proportion equation
291,936.80 : 437,905.20 = 201,735.20 : x - Step 2: Convert to fraction form
291,936.80/437,905.20 = 201,735.20/x - Step 3: Cross multiply
291,936.80x = 437,905.20 × 201,735.20 - Step 4: Simplify right side
291,936.80x = 88,340,893,103.04 - Step 5: Solve for x
x = 88,340,893,103.04/291,936.80 - Step 6: Final answer
x = 302,602.80
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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.