Finding the Fourth Proportional to 202,318.70, 282,721.30 and 202,318.70
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Solution
The fourth proportional to 202,318.70, 282,721.30 and 202,318.70 is: 282,721.30
Step by Step Solution
- Step 1: Write the proportion equation
202,318.70 : 282,721.30 = 202,318.70 : x - Step 2: Convert to fraction form
202,318.70/282,721.30 = 202,318.70/x - Step 3: Cross multiply
202,318.70x = 282,721.30 × 202,318.70 - Step 4: Simplify right side
202,318.70x = 57,199,805,878.31 - Step 5: Solve for x
x = 57,199,805,878.31/202,318.70 - Step 6: Final answer
x = 282,721.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.