Finding the Fourth Proportional to 313,873.24, 433,139.97 and 170,636.86
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Solution
The fourth proportional to 313,873.24, 433,139.97 and 170,636.86 is: 235,476.09
Step by Step Solution
- Step 1: Write the proportion equation
313,873.24 : 433,139.97 = 170,636.86 : x - Step 2: Convert to fraction form
313,873.24/433,139.97 = 170,636.86/x - Step 3: Cross multiply
313,873.24x = 433,139.97 × 170,636.86 - Step 4: Simplify right side
313,873.24x = 73,909,644,421.29 - Step 5: Solve for x
x = 73,909,644,421.29/313,873.24 - Step 6: Final answer
x = 235,476.09
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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.