Finding the Fourth Proportional to 415,434.28, 573,298.44 and 224,447.08
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Solution
The fourth proportional to 415,434.28, 573,298.44 and 224,447.08 is: 309,736.50
Step by Step Solution
- Step 1: Write the proportion equation
415,434.28 : 573,298.44 = 224,447.08 : x - Step 2: Convert to fraction form
415,434.28/573,298.44 = 224,447.08/x - Step 3: Cross multiply
415,434.28x = 573,298.44 × 224,447.08 - Step 4: Simplify right side
415,434.28x = 128,675,160,826.56 - Step 5: Solve for x
x = 128,675,160,826.56/415,434.28 - Step 6: Final answer
x = 309,736.50
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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.