Finding the Fourth Proportional to 382,905.26, 528,572.79 and 272,595.11
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Solution
The fourth proportional to 382,905.26, 528,572.79 and 272,595.11 is: 376,297.67
Step by Step Solution
- Step 1: Write the proportion equation
382,905.26 : 528,572.79 = 272,595.11 : x - Step 2: Convert to fraction form
382,905.26/528,572.79 = 272,595.11/x - Step 3: Cross multiply
382,905.26x = 528,572.79 × 272,595.11 - Step 4: Simplify right side
382,905.26x = 144,086,355,190.19 - Step 5: Solve for x
x = 144,086,355,190.19/382,905.26 - Step 6: Final answer
x = 376,297.67
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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.