Finding the Fourth Proportional to 211,143.44, 291,377.50 and 114,346.99
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Solution
The fourth proportional to 211,143.44, 291,377.50 and 114,346.99 is: 157,798.60
Step by Step Solution
- Step 1: Write the proportion equation
211,143.44 : 291,377.50 = 114,346.99 : x - Step 2: Convert to fraction form
211,143.44/291,377.50 = 114,346.99/x - Step 3: Cross multiply
211,143.44x = 291,377.50 × 114,346.99 - Step 4: Simplify right side
211,143.44x = 33,318,139,493.22 - Step 5: Solve for x
x = 33,318,139,493.22/211,143.44 - Step 6: Final answer
x = 157,798.60
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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.