Finding the Fourth Proportional to 423,790.68, 635,682.14 and 170,892.08
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Solution
The fourth proportional to 423,790.68, 635,682.14 and 170,892.08 is: 256,336.56
Step by Step Solution
- Step 1: Write the proportion equation
423,790.68 : 635,682.14 = 170,892.08 : x - Step 2: Convert to fraction form
423,790.68/635,682.14 = 170,892.08/x - Step 3: Cross multiply
423,790.68x = 635,682.14 × 170,892.08 - Step 4: Simplify right side
423,790.68x = 108,633,043,123.45 - Step 5: Solve for x
x = 108,633,043,123.45/423,790.68 - Step 6: Final answer
x = 256,336.56
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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.