Finding the Fourth Proportional to 417,279.81, 625,762.58 and 150,974.49
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Solution
The fourth proportional to 417,279.81, 625,762.58 and 150,974.49 is: 226,404.88
Step by Step Solution
- Step 1: Write the proportion equation
417,279.81 : 625,762.58 = 150,974.49 : x - Step 2: Convert to fraction form
417,279.81/625,762.58 = 150,974.49/x - Step 3: Cross multiply
417,279.81x = 625,762.58 × 150,974.49 - Step 4: Simplify right side
417,279.81x = 94,474,185,621.71 - Step 5: Solve for x
x = 94,474,185,621.71/417,279.81 - Step 6: Final answer
x = 226,404.88
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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.