Finding the Fourth Proportional to 422,199.20, 633,332.02 and 122,684.96
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Solution
The fourth proportional to 422,199.20, 633,332.02 and 122,684.96 is: 184,037.09
Step by Step Solution
- Step 1: Write the proportion equation
422,199.20 : 633,332.02 = 122,684.96 : x - Step 2: Convert to fraction form
422,199.20/633,332.02 = 122,684.96/x - Step 3: Cross multiply
422,199.20x = 633,332.02 × 122,684.96 - Step 4: Simplify right side
422,199.20x = 77,700,313,540.42 - Step 5: Solve for x
x = 77,700,313,540.42/422,199.20 - Step 6: Final answer
x = 184,037.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.