Finding the Fourth Proportional to 202,305.20, 282,702.40 and 202,305.20
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Solution
The fourth proportional to 202,305.20, 282,702.40 and 202,305.20 is: 282,702.40
Step by Step Solution
- Step 1: Write the proportion equation
202,305.20 : 282,702.40 = 202,305.20 : x - Step 2: Convert to fraction form
202,305.20/282,702.40 = 202,305.20/x - Step 3: Cross multiply
202,305.20x = 282,702.40 × 202,305.20 - Step 4: Simplify right side
202,305.20x = 57,192,165,572.48 - Step 5: Solve for x
x = 57,192,165,572.48/202,305.20 - Step 6: Final answer
x = 282,702.40
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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.