Finding the Fourth Proportional to 360,391.53, 497,350.70 and 199,256.99
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Solution
The fourth proportional to 360,391.53, 497,350.70 and 199,256.99 is: 274,980.38
Step by Step Solution
- Step 1: Write the proportion equation
360,391.53 : 497,350.70 = 199,256.99 : x - Step 2: Convert to fraction form
360,391.53/497,350.70 = 199,256.99/x - Step 3: Cross multiply
360,391.53x = 497,350.70 × 199,256.99 - Step 4: Simplify right side
360,391.53x = 99,100,600,720.57 - Step 5: Solve for x
x = 99,100,600,720.57/360,391.53 - Step 6: Final answer
x = 274,980.38
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1.5x scale
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.