Finding the Fourth Proportional to 415,227.21, 573,013.53 and 224,240.58
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Solution
The fourth proportional to 415,227.21, 573,013.53 and 224,240.58 is: 309,451.99
Step by Step Solution
- Step 1: Write the proportion equation
415,227.21 : 573,013.53 = 224,240.58 : x - Step 2: Convert to fraction form
415,227.21/573,013.53 = 224,240.58/x - Step 3: Cross multiply
415,227.21x = 573,013.53 × 224,240.58 - Step 4: Simplify right side
415,227.21x = 128,492,886,470.71 - Step 5: Solve for x
x = 128,492,886,470.71/415,227.21 - Step 6: Final answer
x = 309,451.99
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1.5x scale
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.