Finding the Fourth Proportional to 368,207.92, 508,189.26 and 213,136.75
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Solution
The fourth proportional to 368,207.92, 508,189.26 and 213,136.75 is: 294,164.79
Step by Step Solution
- Step 1: Write the proportion equation
368,207.92 : 508,189.26 = 213,136.75 : x - Step 2: Convert to fraction form
368,207.92/508,189.26 = 213,136.75/x - Step 3: Cross multiply
368,207.92x = 508,189.26 × 213,136.75 - Step 4: Simplify right side
368,207.92x = 108,313,807,261.31 - Step 5: Solve for x
x = 108,313,807,261.31/368,207.92 - Step 6: Final answer
x = 294,164.79
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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.