Finding the Fourth Proportional to 212,651.99, 293,502.24 and 122,069.19
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Solution
The fourth proportional to 212,651.99, 293,502.24 and 122,069.19 is: 168,479.88
Step by Step Solution
- Step 1: Write the proportion equation
212,651.99 : 293,502.24 = 122,069.19 : x - Step 2: Convert to fraction form
212,651.99/293,502.24 = 122,069.19/x - Step 3: Cross multiply
212,651.99x = 293,502.24 × 122,069.19 - Step 4: Simplify right side
212,651.99x = 35,827,580,699.99 - Step 5: Solve for x
x = 35,827,580,699.99/212,651.99 - Step 6: Final answer
x = 168,479.88
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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.