Finding the Fourth Proportional to 490,274.41, 676,607.58 and 369,202.09
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Solution
The fourth proportional to 490,274.41, 676,607.58 and 369,202.09 is: 509,520.64
Step by Step Solution
- Step 1: Write the proportion equation
490,274.41 : 676,607.58 = 369,202.09 : x - Step 2: Convert to fraction form
490,274.41/676,607.58 = 369,202.09/x - Step 3: Cross multiply
490,274.41x = 676,607.58 × 369,202.09 - Step 4: Simplify right side
490,274.41x = 249,804,932,645.84 - Step 5: Solve for x
x = 249,804,932,645.84/490,274.41 - Step 6: Final answer
x = 509,520.64
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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.