Finding the Fourth Proportional to 317,023.11, 437,489.91 and 173,789.19
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Solution
The fourth proportional to 317,023.11, 437,489.91 and 173,789.19 is: 239,828.00
Step by Step Solution
- Step 1: Write the proportion equation
317,023.11 : 437,489.91 = 173,789.19 : x - Step 2: Convert to fraction form
317,023.11/437,489.91 = 173,789.19/x - Step 3: Cross multiply
317,023.11x = 437,489.91 × 173,789.19 - Step 4: Simplify right side
317,023.11x = 76,031,017,092.07 - Step 5: Solve for x
x = 76,031,017,092.07/317,023.11 - Step 6: Final answer
x = 239,828.00
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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.