Finding the Fourth Proportional to 417,696.06, 576,420.98 and 226,709.49
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Solution
The fourth proportional to 417,696.06, 576,420.98 and 226,709.49 is: 312,859.32
Step by Step Solution
- Step 1: Write the proportion equation
417,696.06 : 576,420.98 = 226,709.49 : x - Step 2: Convert to fraction form
417,696.06/576,420.98 = 226,709.49/x - Step 3: Cross multiply
417,696.06x = 576,420.98 × 226,709.49 - Step 4: Simplify right side
417,696.06x = 130,680,106,401.10 - Step 5: Solve for x
x = 130,680,106,401.10/417,696.06 - Step 6: Final answer
x = 312,859.32
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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.