Finding the Fourth Proportional to 313,204.09, 432,222.78 and 169,964.11
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Solution
The fourth proportional to 313,204.09, 432,222.78 and 169,964.11 is: 234,551.09
Step by Step Solution
- Step 1: Write the proportion equation
313,204.09 : 432,222.78 = 169,964.11 : x - Step 2: Convert to fraction form
313,204.09/432,222.78 = 169,964.11/x - Step 3: Cross multiply
313,204.09x = 432,222.78 × 169,964.11 - Step 4: Simplify right side
313,204.09x = 73,462,360,124.43 - Step 5: Solve for x
x = 73,462,360,124.43/313,204.09 - Step 6: Final answer
x = 234,551.09
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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.