Finding the Fourth Proportional to 319,232.63, 440,544.04 and 175,997.80
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Solution
The fourth proportional to 319,232.63, 440,544.04 and 175,997.80 is: 242,878.62
Step by Step Solution
- Step 1: Write the proportion equation
319,232.63 : 440,544.04 = 175,997.80 : x - Step 2: Convert to fraction form
319,232.63/440,544.04 = 175,997.80/x - Step 3: Cross multiply
319,232.63x = 440,544.04 × 175,997.80 - Step 4: Simplify right side
319,232.63x = 77,534,781,829.27 - Step 5: Solve for x
x = 77,534,781,829.27/319,232.63 - Step 6: Final answer
x = 242,878.62
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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.