Finding the Fourth Proportional to 227,120.22, 340,421.98 and 138,177.66
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Solution
The fourth proportional to 227,120.22, 340,421.98 and 138,177.66 is: 207,109.31
Step by Step Solution
- Step 1: Write the proportion equation
227,120.22 : 340,421.98 = 138,177.66 : x - Step 2: Convert to fraction form
227,120.22/340,421.98 = 138,177.66/x - Step 3: Cross multiply
227,120.22x = 340,421.98 × 138,177.66 - Step 4: Simplify right side
227,120.22x = 47,038,712,608.97 - Step 5: Solve for x
x = 47,038,712,608.97/227,120.22 - Step 6: Final answer
x = 207,109.31
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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.