Finding the Fourth Proportional to 296,821.84, 409,675.96 and 272,910.64
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Solution
The fourth proportional to 296,821.84, 409,675.96 and 272,910.64 is: 376,673.52
Step by Step Solution
- Step 1: Write the proportion equation
296,821.84 : 409,675.96 = 272,910.64 : x - Step 2: Convert to fraction form
296,821.84/409,675.96 = 272,910.64/x - Step 3: Cross multiply
296,821.84x = 409,675.96 × 272,910.64 - Step 4: Simplify right side
296,821.84x = 111,804,928,436.21 - Step 5: Solve for x
x = 111,804,928,436.21/296,821.84 - Step 6: Final answer
x = 376,673.52
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1.5x scale
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.