Finding the Fourth Proportional to 291,455.36, 437,007.84 and 197,676.80
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Solution
The fourth proportional to 291,455.36, 437,007.84 and 197,676.80 is: 296,396.37
Step by Step Solution
- Step 1: Write the proportion equation
291,455.36 : 437,007.84 = 197,676.80 : x - Step 2: Convert to fraction form
291,455.36/437,007.84 = 197,676.80/x - Step 3: Cross multiply
291,455.36x = 437,007.84 × 197,676.80 - Step 4: Simplify right side
291,455.36x = 86,386,311,386.11 - Step 5: Solve for x
x = 86,386,311,386.11/291,455.36 - Step 6: Final answer
x = 296,396.37
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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.