Finding the Fourth Proportional to 360,645.18, 540,995.91 and 120,759.99
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Solution
The fourth proportional to 360,645.18, 540,995.91 and 120,759.99 is: 181,149.40
Step by Step Solution
- Step 1: Write the proportion equation
360,645.18 : 540,995.91 = 120,759.99 : x - Step 2: Convert to fraction form
360,645.18/540,995.91 = 120,759.99/x - Step 3: Cross multiply
360,645.18x = 540,995.91 × 120,759.99 - Step 4: Simplify right side
360,645.18x = 65,330,660,400.88 - Step 5: Solve for x
x = 65,330,660,400.88/360,645.18 - Step 6: Final answer
x = 181,149.40
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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.