Finding the Fourth Proportional to 432,993.63, 649,324.35 and 148,631.19
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Solution
The fourth proportional to 432,993.63, 649,324.35 and 148,631.19 is: 222,889.77
Step by Step Solution
- Step 1: Write the proportion equation
432,993.63 : 649,324.35 = 148,631.19 : x - Step 2: Convert to fraction form
432,993.63/649,324.35 = 148,631.19/x - Step 3: Cross multiply
432,993.63x = 649,324.35 × 148,631.19 - Step 4: Simplify right side
432,993.63x = 96,509,850,836.48 - Step 5: Solve for x
x = 96,509,850,836.48/432,993.63 - Step 6: Final answer
x = 222,889.77
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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.