Finding the Fourth Proportional to 122,265.16, 183,397.74 and 80,702.44
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Solution
The fourth proportional to 122,265.16, 183,397.74 and 80,702.44 is: 121,053.66
Step by Step Solution
- Step 1: Write the proportion equation
122,265.16 : 183,397.74 = 80,702.44 : x - Step 2: Convert to fraction form
122,265.16/183,397.74 = 80,702.44/x - Step 3: Cross multiply
122,265.16x = 183,397.74 × 80,702.44 - Step 4: Simplify right side
122,265.16x = 14,800,645,108.49 - Step 5: Solve for x
x = 14,800,645,108.49/122,265.16 - Step 6: Final answer
x = 121,053.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.