Finding the Fourth Proportional to 442,992.70, 664,489.05 and 310,023.10
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Solution
The fourth proportional to 442,992.70, 664,489.05 and 310,023.10 is: 465,034.65
Step by Step Solution
- Step 1: Write the proportion equation
442,992.70 : 664,489.05 = 310,023.10 : x - Step 2: Convert to fraction form
442,992.70/664,489.05 = 310,023.10/x - Step 3: Cross multiply
442,992.70x = 664,489.05 × 310,023.10 - Step 4: Simplify right side
442,992.70x = 206,006,955,197.06 - Step 5: Solve for x
x = 206,006,955,197.06/442,992.70 - Step 6: Final answer
x = 465,034.65
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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.