Finding the Fourth Proportional to 253,092.66, 349,337.17 and 157,542.63
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Solution
The fourth proportional to 253,092.66, 349,337.17 and 157,542.63 is: 217,451.96
Step by Step Solution
- Step 1: Write the proportion equation
253,092.66 : 349,337.17 = 157,542.63 : x - Step 2: Convert to fraction form
253,092.66/349,337.17 = 157,542.63/x - Step 3: Cross multiply
253,092.66x = 349,337.17 × 157,542.63 - Step 4: Simplify right side
253,092.66x = 55,035,494,771.87 - Step 5: Solve for x
x = 55,035,494,771.87/253,092.66 - Step 6: Final answer
x = 217,451.96
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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.