Finding the Fourth Proportional to 296,978.36, 445,550.46 and 97,439.08
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Solution
The fourth proportional to 296,978.36, 445,550.46 and 97,439.08 is: 146,185.83
Step by Step Solution
- Step 1: Write the proportion equation
296,978.36 : 445,550.46 = 97,439.08 : x - Step 2: Convert to fraction form
296,978.36/445,550.46 = 97,439.08/x - Step 3: Cross multiply
296,978.36x = 445,550.46 × 97,439.08 - Step 4: Simplify right side
296,978.36x = 43,414,026,915.98 - Step 5: Solve for x
x = 43,414,026,915.98/296,978.36 - Step 6: Final answer
x = 146,185.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.