Finding the Fourth Proportional to 375,021.36, 517,780.08 and 222,108.75
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Solution
The fourth proportional to 375,021.36, 517,780.08 and 222,108.75 is: 306,658.50
Step by Step Solution
- Step 1: Write the proportion equation
375,021.36 : 517,780.08 = 222,108.75 : x - Step 2: Convert to fraction form
375,021.36/517,780.08 = 222,108.75/x - Step 3: Cross multiply
375,021.36x = 517,780.08 × 222,108.75 - Step 4: Simplify right side
375,021.36x = 115,003,486,343.70 - Step 5: Solve for x
x = 115,003,486,343.70/375,021.36 - Step 6: Final answer
x = 306,658.50
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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.