Finding the Fourth Proportional to 490,269.16, 676,497.79 and 275,368.06
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Solution
The fourth proportional to 490,269.16, 676,497.79 and 275,368.06 is: 379,966.56
Step by Step Solution
- Step 1: Write the proportion equation
490,269.16 : 676,497.79 = 275,368.06 : x - Step 2: Convert to fraction form
490,269.16/676,497.79 = 275,368.06/x - Step 3: Cross multiply
490,269.16x = 676,497.79 × 275,368.06 - Step 4: Simplify right side
490,269.16x = 186,285,884,026.59 - Step 5: Solve for x
x = 186,285,884,026.59/490,269.16 - Step 6: Final answer
x = 379,966.56
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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.