Finding the Fourth Proportional to 447,738.24, 617,904.64 and 256,750.08
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Solution
The fourth proportional to 447,738.24, 617,904.64 and 256,750.08 is: 354,329.94
Step by Step Solution
- Step 1: Write the proportion equation
447,738.24 : 617,904.64 = 256,750.08 : x - Step 2: Convert to fraction form
447,738.24/617,904.64 = 256,750.08/x - Step 3: Cross multiply
447,738.24x = 617,904.64 × 256,750.08 - Step 4: Simplify right side
447,738.24x = 158,647,065,752.37 - Step 5: Solve for x
x = 158,647,065,752.37/447,738.24 - Step 6: Final answer
x = 354,329.94
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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.