Finding the Fourth Proportional to 227,117.22, 340,417.49 and 138,174.66
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Solution
The fourth proportional to 227,117.22, 340,417.49 and 138,174.66 is: 207,104.82
Step by Step Solution
- Step 1: Write the proportion equation
227,117.22 : 340,417.49 = 138,174.66 : x - Step 2: Convert to fraction form
227,117.22/340,417.49 = 138,174.66/x - Step 3: Cross multiply
227,117.22x = 340,417.49 × 138,174.66 - Step 4: Simplify right side
227,117.22x = 47,037,070,247.93 - Step 5: Solve for x
x = 47,037,070,247.93/227,117.22 - Step 6: Final answer
x = 207,104.82
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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.