Finding the Fourth Proportional to 321,444.58, 482,199.26 and 84,803.62
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Solution
The fourth proportional to 321,444.58, 482,199.26 and 84,803.62 is: 127,213.98
Step by Step Solution
- Step 1: Write the proportion equation
321,444.58 : 482,199.26 = 84,803.62 : x - Step 2: Convert to fraction form
321,444.58/482,199.26 = 84,803.62/x - Step 3: Cross multiply
321,444.58x = 482,199.26 × 84,803.62 - Step 4: Simplify right side
321,444.58x = 40,892,242,809.32 - Step 5: Solve for x
x = 40,892,242,809.32/321,444.58 - Step 6: Final answer
x = 127,213.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.