Finding the Fourth Proportional to 379,898.97, 524,273.53 and 216,579.63
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Solution
The fourth proportional to 379,898.97, 524,273.53 and 216,579.63 is: 298,887.27
Step by Step Solution
- Step 1: Write the proportion equation
379,898.97 : 524,273.53 = 216,579.63 : x - Step 2: Convert to fraction form
379,898.97/524,273.53 = 216,579.63/x - Step 3: Cross multiply
379,898.97x = 524,273.53 × 216,579.63 - Step 4: Simplify right side
379,898.97x = 113,546,967,146.19 - Step 5: Solve for x
x = 113,546,967,146.19/379,898.97 - Step 6: Final answer
x = 298,887.27
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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.