Finding the Fourth Proportional to 253,108.68, 349,572.42 and 196,433.88
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Solution
The fourth proportional to 253,108.68, 349,572.42 and 196,433.88 is: 271,297.95
Step by Step Solution
- Step 1: Write the proportion equation
253,108.68 : 349,572.42 = 196,433.88 : x - Step 2: Convert to fraction form
253,108.68/349,572.42 = 196,433.88/x - Step 3: Cross multiply
253,108.68x = 349,572.42 × 196,433.88 - Step 4: Simplify right side
253,108.68x = 68,667,866,801.59 - Step 5: Solve for x
x = 68,667,866,801.59/253,108.68 - Step 6: Final answer
x = 271,297.95
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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.