Finding the Fourth Proportional to 227,324.16, 313,681.95 and 145,615.14
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Solution
The fourth proportional to 227,324.16, 313,681.95 and 145,615.14 is: 200,932.63
Step by Step Solution
- Step 1: Write the proportion equation
227,324.16 : 313,681.95 = 145,615.14 : x - Step 2: Convert to fraction form
227,324.16/313,681.95 = 145,615.14/x - Step 3: Cross multiply
227,324.16x = 313,681.95 × 145,615.14 - Step 4: Simplify right side
227,324.16x = 45,676,841,064.72 - Step 5: Solve for x
x = 45,676,841,064.72/227,324.16 - Step 6: Final answer
x = 200,932.63
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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.