Finding the Fourth Proportional to 143,209.17, 214,759.62 and 115,060.05
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Solution
The fourth proportional to 143,209.17, 214,759.62 and 115,060.05 is: 172,546.58
Step by Step Solution
- Step 1: Write the proportion equation
143,209.17 : 214,759.62 = 115,060.05 : x - Step 2: Convert to fraction form
143,209.17/214,759.62 = 115,060.05/x - Step 3: Cross multiply
143,209.17x = 214,759.62 × 115,060.05 - Step 4: Simplify right side
143,209.17x = 24,710,252,615.18 - Step 5: Solve for x
x = 24,710,252,615.18/143,209.17 - Step 6: Final answer
x = 172,546.58
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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.