Finding the Fourth Proportional to 417,202.40, 625,366.20 and 164,385.20
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Solution
The fourth proportional to 417,202.40, 625,366.20 and 164,385.20 is: 246,405.46
Step by Step Solution
- Step 1: Write the proportion equation
417,202.40 : 625,366.20 = 164,385.20 : x - Step 2: Convert to fraction form
417,202.40/625,366.20 = 164,385.20/x - Step 3: Cross multiply
417,202.40x = 625,366.20 × 164,385.20 - Step 4: Simplify right side
417,202.40x = 102,800,947,860.24 - Step 5: Solve for x
x = 102,800,947,860.24/417,202.40 - Step 6: Final answer
x = 246,405.46
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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.