Finding the Fourth Proportional to 253,687.68, 349,997.76 and 153,048.96
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Solution
The fourth proportional to 253,687.68, 349,997.76 and 153,048.96 is: 211,152.52
Step by Step Solution
- Step 1: Write the proportion equation
253,687.68 : 349,997.76 = 153,048.96 : x - Step 2: Convert to fraction form
253,687.68/349,997.76 = 153,048.96/x - Step 3: Cross multiply
253,687.68x = 349,997.76 × 153,048.96 - Step 4: Simplify right side
253,687.68x = 53,566,793,170.33 - Step 5: Solve for x
x = 53,566,793,170.33/253,687.68 - Step 6: Final answer
x = 211,152.52
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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.