Finding the Fourth Proportional to 316,889.88, 475,014.96 and 198,644.26
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Solution
The fourth proportional to 316,889.88, 475,014.96 and 198,644.26 is: 297,765.88
Step by Step Solution
- Step 1: Write the proportion equation
316,889.88 : 475,014.96 = 198,644.26 : x - Step 2: Convert to fraction form
316,889.88/475,014.96 = 198,644.26/x - Step 3: Cross multiply
316,889.88x = 475,014.96 × 198,644.26 - Step 4: Simplify right side
316,889.88x = 94,358,992,843.05 - Step 5: Solve for x
x = 94,358,992,843.05/316,889.88 - Step 6: Final answer
x = 297,765.88
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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.