Finding the Fourth Proportional to 361,103.67, 498,316.99 and 199,955.26
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Solution
The fourth proportional to 361,103.67, 498,316.99 and 199,955.26 is: 275,934.90
Step by Step Solution
- Step 1: Write the proportion equation
361,103.67 : 498,316.99 = 199,955.26 : x - Step 2: Convert to fraction form
361,103.67/498,316.99 = 199,955.26/x - Step 3: Cross multiply
361,103.67x = 498,316.99 × 199,955.26 - Step 4: Simplify right side
361,103.67x = 99,641,103,797.76 - Step 5: Solve for x
x = 99,641,103,797.76/361,103.67 - Step 6: Final answer
x = 275,934.90
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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.