Finding the Fourth Proportional to 227,079.34, 313,393.93 and 125,115.12
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Solution
The fourth proportional to 227,079.34, 313,393.93 and 125,115.12 is: 172,672.33
Step by Step Solution
- Step 1: Write the proportion equation
227,079.34 : 313,393.93 = 125,115.12 : x - Step 2: Convert to fraction form
227,079.34/313,393.93 = 125,115.12/x - Step 3: Cross multiply
227,079.34x = 313,393.93 × 125,115.12 - Step 4: Simplify right side
227,079.34x = 39,210,319,159.22 - Step 5: Solve for x
x = 39,210,319,159.22/227,079.34 - Step 6: Final answer
x = 172,672.33
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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.