Finding the Fourth Proportional to 319,044.34, 440,251.11 and 188,201.60
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Solution
The fourth proportional to 319,044.34, 440,251.11 and 188,201.60 is: 259,700.46
Step by Step Solution
- Step 1: Write the proportion equation
319,044.34 : 440,251.11 = 188,201.60 : x - Step 2: Convert to fraction form
319,044.34/440,251.11 = 188,201.60/x - Step 3: Cross multiply
319,044.34x = 440,251.11 × 188,201.60 - Step 4: Simplify right side
319,044.34x = 82,855,963,303.78 - Step 5: Solve for x
x = 82,855,963,303.78/319,044.34 - Step 6: Final answer
x = 259,700.46
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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.