Finding the Fourth Proportional to 308,045.36, 462,125.64 and 97,626.80
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Solution
The fourth proportional to 308,045.36, 462,125.64 and 97,626.80 is: 146,458.45
Step by Step Solution
- Step 1: Write the proportion equation
308,045.36 : 462,125.64 = 97,626.80 : x - Step 2: Convert to fraction form
308,045.36/462,125.64 = 97,626.80/x - Step 3: Cross multiply
308,045.36x = 462,125.64 × 97,626.80 - Step 4: Simplify right side
308,045.36x = 45,115,847,431.15 - Step 5: Solve for x
x = 45,115,847,431.15/308,045.36 - Step 6: Final answer
x = 146,458.45
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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.