Finding the Fourth Proportional to 449,526.75, 620,364.74 and 258,539.91
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Solution
The fourth proportional to 449,526.75, 620,364.74 and 258,539.91 is: 356,795.32
Step by Step Solution
- Step 1: Write the proportion equation
449,526.75 : 620,364.74 = 258,539.91 : x - Step 2: Convert to fraction form
449,526.75/620,364.74 = 258,539.91/x - Step 3: Cross multiply
449,526.75x = 620,364.74 × 258,539.91 - Step 4: Simplify right side
449,526.75x = 160,389,042,754.07 - Step 5: Solve for x
x = 160,389,042,754.07/449,526.75 - Step 6: Final answer
x = 356,795.32
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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.