Finding the Fourth Proportional to 172,375.98, 237,711.69 and 115,017.63
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Solution
The fourth proportional to 172,375.98, 237,711.69 and 115,017.63 is: 158,612.79
Step by Step Solution
- Step 1: Write the proportion equation
172,375.98 : 237,711.69 = 115,017.63 : x - Step 2: Convert to fraction form
172,375.98/237,711.69 = 115,017.63/x - Step 3: Cross multiply
172,375.98x = 237,711.69 × 115,017.63 - Step 4: Simplify right side
172,375.98x = 27,341,035,207.09 - Step 5: Solve for x
x = 27,341,035,207.09/172,375.98 - Step 6: Final answer
x = 158,612.79
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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.