Finding the Fourth Proportional to 447,574.74, 617,653.26 and 246,370.74
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Solution
The fourth proportional to 447,574.74, 617,653.26 and 246,370.74 is: 339,991.69
Step by Step Solution
- Step 1: Write the proportion equation
447,574.74 : 617,653.26 = 246,370.74 : x - Step 2: Convert to fraction form
447,574.74/617,653.26 = 246,370.74/x - Step 3: Cross multiply
447,574.74x = 617,653.26 × 246,370.74 - Step 4: Simplify right side
447,574.74x = 152,171,690,729.61 - Step 5: Solve for x
x = 152,171,690,729.61/447,574.74 - Step 6: Final answer
x = 339,991.69
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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.