Finding the Fourth Proportional to 214,321.30, 295,781.50 and 118,858.75
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Solution
The fourth proportional to 214,321.30, 295,781.50 and 118,858.75 is: 164,035.12
Step by Step Solution
- Step 1: Write the proportion equation
214,321.30 : 295,781.50 = 118,858.75 : x - Step 2: Convert to fraction form
214,321.30/295,781.50 = 118,858.75/x - Step 3: Cross multiply
214,321.30x = 295,781.50 × 118,858.75 - Step 4: Simplify right side
214,321.30x = 35,156,219,363.13 - Step 5: Solve for x
x = 35,156,219,363.13/214,321.30 - Step 6: Final answer
x = 164,035.12
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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.