Finding the Fourth Proportional to 211,501.40, 317,281.26 and 122,796.68
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Solution
The fourth proportional to 211,501.40, 317,281.26 and 122,796.68 is: 184,211.95
Step by Step Solution
- Step 1: Write the proportion equation
211,501.40 : 317,281.26 = 122,796.68 : x - Step 2: Convert to fraction form
211,501.40/317,281.26 = 122,796.68/x - Step 3: Cross multiply
211,501.40x = 317,281.26 × 122,796.68 - Step 4: Simplify right side
211,501.40x = 38,961,085,354.22 - Step 5: Solve for x
x = 38,961,085,354.22/211,501.40 - Step 6: Final answer
x = 184,211.95
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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.