Finding the Fourth Proportional to 437,953.36, 656,873.58 and 138,464.44
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Solution
The fourth proportional to 437,953.36, 656,873.58 and 138,464.44 is: 207,678.81
Step by Step Solution
- Step 1: Write the proportion equation
437,953.36 : 656,873.58 = 138,464.44 : x - Step 2: Convert to fraction form
437,953.36/656,873.58 = 138,464.44/x - Step 3: Cross multiply
437,953.36x = 656,873.58 × 138,464.44 - Step 4: Simplify right side
437,953.36x = 90,953,632,405.50 - Step 5: Solve for x
x = 90,953,632,405.50/437,953.36 - Step 6: Final answer
x = 207,678.81
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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.