Finding the Fourth Proportional to 672,642.08, 928,204.08 and 370,836.08
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Solution
The fourth proportional to 672,642.08, 928,204.08 and 370,836.08 is: 511,730.64
Step by Step Solution
- Step 1: Write the proportion equation
672,642.08 : 928,204.08 = 370,836.08 : x - Step 2: Convert to fraction form
672,642.08/928,204.08 = 370,836.08/x - Step 3: Cross multiply
672,642.08x = 928,204.08 × 370,836.08 - Step 4: Simplify right side
672,642.08x = 344,211,562,467.21 - Step 5: Solve for x
x = 344,211,562,467.21/672,642.08 - Step 6: Final answer
x = 511,730.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.