Finding the Fourth Proportional to 611,467.70, 843,849.70 and 353,336.09
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Solution
The fourth proportional to 611,467.70, 843,849.70 and 353,336.09 is: 487,617.83
Step by Step Solution
- Step 1: Write the proportion equation
611,467.70 : 843,849.70 = 353,336.09 : x - Step 2: Convert to fraction form
611,467.70/843,849.70 = 353,336.09/x - Step 3: Cross multiply
611,467.70x = 843,849.70 × 353,336.09 - Step 4: Simplify right side
611,467.70x = 298,162,548,443.08 - Step 5: Solve for x
x = 298,162,548,443.08/611,467.70 - Step 6: Final answer
x = 487,617.83
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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.