Finding the Fourth Proportional to 549,052.29, 823,720.37 and 321,539.99
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Solution
The fourth proportional to 549,052.29, 823,720.37 and 321,539.99 is: 482,393.10
Step by Step Solution
- Step 1: Write the proportion equation
549,052.29 : 823,720.37 = 321,539.99 : x - Step 2: Convert to fraction form
549,052.29/823,720.37 = 321,539.99/x - Step 3: Cross multiply
549,052.29x = 823,720.37 × 321,539.99 - Step 4: Simplify right side
549,052.29x = 264,859,033,806.30 - Step 5: Solve for x
x = 264,859,033,806.30/549,052.29 - Step 6: Final answer
x = 482,393.10
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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.