Finding the Fourth Proportional to 445,919.12, 615,193.20 and 254,829.99
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Solution
The fourth proportional to 445,919.12, 615,193.20 and 254,829.99 is: 351,565.28
Step by Step Solution
- Step 1: Write the proportion equation
445,919.12 : 615,193.20 = 254,829.99 : x - Step 2: Convert to fraction form
445,919.12/615,193.20 = 254,829.99/x - Step 3: Cross multiply
445,919.12x = 615,193.20 × 254,829.99 - Step 4: Simplify right side
445,919.12x = 156,769,677,004.07 - Step 5: Solve for x
x = 156,769,677,004.07/445,919.12 - Step 6: Final answer
x = 351,565.28
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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.