Finding the Fourth Proportional to 253,195.79, 349,453.16 and 145,827.96
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Solution
The fourth proportional to 253,195.79, 349,453.16 and 145,827.96 is: 201,267.33
Step by Step Solution
- Step 1: Write the proportion equation
253,195.79 : 349,453.16 = 145,827.96 : x - Step 2: Convert to fraction form
253,195.79/349,453.16 = 145,827.96/x - Step 3: Cross multiply
253,195.79x = 349,453.16 × 145,827.96 - Step 4: Simplify right side
253,195.79x = 50,960,040,709.21 - Step 5: Solve for x
x = 50,960,040,709.21/253,195.79 - Step 6: Final answer
x = 201,267.33
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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.