Finding the Fourth Proportional to 422,503.08, 633,796.20 and 122,986.68
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Solution
The fourth proportional to 422,503.08, 633,796.20 and 122,986.68 is: 184,492.12
Step by Step Solution
- Step 1: Write the proportion equation
422,503.08 : 633,796.20 = 122,986.68 : x - Step 2: Convert to fraction form
422,503.08/633,796.20 = 122,986.68/x - Step 3: Cross multiply
422,503.08x = 633,796.20 × 122,986.68 - Step 4: Simplify right side
422,503.08x = 77,948,490,434.62 - Step 5: Solve for x
x = 77,948,490,434.62/422,503.08 - Step 6: Final answer
x = 184,492.12
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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.