Finding the Fourth Proportional to 415,212.63, 572,993.42 and 224,226.02
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Solution
The fourth proportional to 415,212.63, 572,993.42 and 224,226.02 is: 309,431.90
Step by Step Solution
- Step 1: Write the proportion equation
415,212.63 : 572,993.42 = 224,226.02 : x - Step 2: Convert to fraction form
415,212.63/572,993.42 = 224,226.02/x - Step 3: Cross multiply
415,212.63x = 572,993.42 × 224,226.02 - Step 4: Simplify right side
415,212.63x = 128,480,034,052.79 - Step 5: Solve for x
x = 128,480,034,052.79/415,212.63 - Step 6: Final answer
x = 309,431.90
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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.