Finding the Fourth Proportional to 291,252.10, 437,072.55 and 133,399.30
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Solution
The fourth proportional to 291,252.10, 437,072.55 and 133,399.30 is: 200,187.99
Step by Step Solution
- Step 1: Write the proportion equation
291,252.10 : 437,072.55 = 133,399.30 : x - Step 2: Convert to fraction form
291,252.10/437,072.55 = 133,399.30/x - Step 3: Cross multiply
291,252.10x = 437,072.55 × 133,399.30 - Step 4: Simplify right side
291,252.10x = 58,305,172,219.22 - Step 5: Solve for x
x = 58,305,172,219.22/291,252.10 - Step 6: Final answer
x = 200,187.99
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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.