Finding the Fourth Proportional to 490,273.41, 676,606.20 and 369,201.09
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Solution
The fourth proportional to 490,273.41, 676,606.20 and 369,201.09 is: 509,519.26
Step by Step Solution
- Step 1: Write the proportion equation
490,273.41 : 676,606.20 = 369,201.09 : x - Step 2: Convert to fraction form
490,273.41/676,606.20 = 369,201.09/x - Step 3: Cross multiply
490,273.41x = 676,606.20 × 369,201.09 - Step 4: Simplify right side
490,273.41x = 249,803,746,540.76 - Step 5: Solve for x
x = 249,803,746,540.76/490,273.41 - Step 6: Final answer
x = 509,519.26
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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.