Finding the Fourth Proportional to 282,372.03, 421,067.15 and 243,180.99
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Solution
The fourth proportional to 282,372.03, 421,067.15 and 243,180.99 is: 362,626.30
Step by Step Solution
- Step 1: Write the proportion equation
282,372.03 : 421,067.15 = 243,180.99 : x - Step 2: Convert to fraction form
282,372.03/421,067.15 = 243,180.99/x - Step 3: Cross multiply
282,372.03x = 421,067.15 × 243,180.99 - Step 4: Simplify right side
282,372.03x = 102,395,525,177.57 - Step 5: Solve for x
x = 102,395,525,177.57/282,372.03 - Step 6: Final answer
x = 362,626.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.